Initial spirng-session-data-geode setup.
(cherry picked from commit c5a1ee021016d37dda5e5eb96320ee1be9869314) Signed-off-by: John Blum <jblum@pivotal.io>
This commit is contained in:
Rob Winch
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/*
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* Copyright 2014-2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.ImportResource;
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@SuppressWarnings("resource")
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// tag::class[]
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@Configuration // <1>
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@ImportResource("META-INF/spring/session-server.xml") // <2>
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public class Application {
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public static void main(String[] args) {
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new AnnotationConfigApplicationContext(Application.class).registerShutdownHook();
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}
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}
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// tag::end[]
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/*
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* Copyright 2014-2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicReference;
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import org.apache.geode.cache.Region;
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import org.apache.geode.cache.client.Pool;
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import org.apache.geode.cache.client.PoolManager;
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import org.apache.geode.cache.client.internal.PoolImpl;
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import org.apache.geode.management.membership.ClientMembership;
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import org.apache.geode.management.membership.ClientMembershipEvent;
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import org.apache.geode.management.membership.ClientMembershipListenerAdapter;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.beans.factory.config.BeanPostProcessor;
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import org.springframework.data.gemfire.config.xml.GemfireConstants;
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import org.springframework.session.data.gemfire.config.annotation.web.http.GemFireHttpSessionConfiguration;
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import org.springframework.util.Assert;
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public class GemFireClientServerReadyBeanPostProcessor implements BeanPostProcessor {
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private static final long DEFAULT_TIMEOUT = TimeUnit.SECONDS.toMillis(60);
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private static final CountDownLatch LATCH = new CountDownLatch(1);
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private static final String GEMFIRE_DEFAULT_POOL_NAME = "DEFAULT";
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static {
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ClientMembership.registerClientMembershipListener(
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new ClientMembershipListenerAdapter() {
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@Override
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public void memberJoined(ClientMembershipEvent event) {
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LATCH.countDown();
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}
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}
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);
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}
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@Value("${spring.session.data.gemfire.port:${application.gemfire.client-server.port}}")
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private int port;
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@Value("${application.gemfire.client-server.host:localhost}")
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private String host;
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private final AtomicBoolean checkGemFireServerIsRunning = new AtomicBoolean(true);
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private final AtomicReference<Pool> gemfirePool = new AtomicReference<Pool>(null);
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public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
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if (shouldCheckWhetherGemFireServerIsRunning(bean, beanName)) {
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try {
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validateCacheClientNotified();
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validateCacheClientSubscriptionQueueConnectionEstablished();
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}
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catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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}
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return bean;
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}
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private boolean shouldCheckWhetherGemFireServerIsRunning(Object bean, String beanName) {
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return (isGemFireRegion(bean, beanName)
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? this.checkGemFireServerIsRunning.compareAndSet(true, false)
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: whenGemFirePool(bean, beanName));
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}
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private boolean isGemFireRegion(Object bean, String beanName) {
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return (GemFireHttpSessionConfiguration.DEFAULT_SPRING_SESSION_GEMFIRE_REGION_NAME.equals(beanName)
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|| bean instanceof Region);
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}
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private boolean whenGemFirePool(Object bean, String beanName) {
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if (bean instanceof Pool) {
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this.gemfirePool.compareAndSet(null, (Pool) bean);
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}
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return false;
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}
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private void validateCacheClientNotified() throws InterruptedException {
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boolean didNotTimeout = LATCH.await(DEFAULT_TIMEOUT, TimeUnit.MILLISECONDS);
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Assert.state(didNotTimeout, String.format(
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"GemFire Cache Server failed to start on host [%s] and port [%d]", this.host, this.port));
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}
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@SuppressWarnings("all")
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private void validateCacheClientSubscriptionQueueConnectionEstablished() throws InterruptedException {
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boolean cacheClientSubscriptionQueueConnectionEstablished = false;
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Pool pool = defaultIfNull(this.gemfirePool.get(),
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GemfireConstants.DEFAULT_GEMFIRE_POOL_NAME, GEMFIRE_DEFAULT_POOL_NAME);
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if (pool instanceof PoolImpl) {
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long timeout = (System.currentTimeMillis() + DEFAULT_TIMEOUT);
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while (System.currentTimeMillis() < timeout
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&& !((PoolImpl) pool).isPrimaryUpdaterAlive()) {
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synchronized (pool) {
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TimeUnit.MILLISECONDS.timedWait(pool, 500L);
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}
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}
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cacheClientSubscriptionQueueConnectionEstablished |=
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((PoolImpl) pool).isPrimaryUpdaterAlive();
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}
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Assert.state(cacheClientSubscriptionQueueConnectionEstablished, String.format(
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"Cache client subscription queue connection not established; GemFire Pool was [%s];"
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+ " GemFire Pool configuration was [locators = %s, servers = %s]",
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pool, pool.getLocators(), pool.getServers()));
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}
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private Pool defaultIfNull(Pool pool, String... poolNames) {
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for (String poolName : poolNames) {
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pool = (pool != null ? pool : PoolManager.find(poolName));
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}
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return pool;
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}
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public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
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return bean;
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}
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}
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// tag::end[]
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@@ -0,0 +1,40 @@
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/*
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* Copyright 2014-2016 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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// tag::class[]
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public class SessionServlet extends HttpServlet {
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@Override
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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String attributeName = request.getParameter("attributeName");
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String attributeValue = request.getParameter("attributeValue");
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request.getSession().setAttribute(attributeName, attributeValue);
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response.sendRedirect(request.getContextPath() + "/");
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}
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private static final long serialVersionUID = 2878267318695777395L;
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}
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// tag::end[]
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@@ -0,0 +1,2 @@
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application.gemfire.client-server.host=localhost
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application.gemfire.client-server.port=12480
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@@ -0,0 +1,48 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context"
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xmlns:gfe="http://www.springframework.org/schema/gemfire"
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xmlns:p="http://www.springframework.org/schema/p"
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xmlns:util="http://www.springframework.org/schema/util"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
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http://www.springframework.org/schema/gemfire http://www.springframework.org/schema/gemfire/spring-gemfire.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
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">
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<!-- tag::beans[] -->
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<!--1-->
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<context:annotation-config/>
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<!--2-->
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<context:property-placeholder location="classpath:META-INF/spring/application.properties"/>
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<!--3-->
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<util:properties id="gemfireProperties">
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<prop key="name">GemFireClientServerHttpSessionXmlSample</prop>
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<prop key="mcast-port">0</prop>
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<!--<prop key="log-file">gemfire-server.log</prop>-->
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<prop key="log-level">${spring.session.data.gemfire.log-level:warning}</prop>
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<!--
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<prop key="jmx-manager">true</prop>
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<prop key="jmx-manager-start">true</prop>
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-->
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</util:properties>
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<!--4-->
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<gfe:cache properties-ref="gemfireProperties"/>
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<!--5-->
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<gfe:cache-server auto-startup="true"
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bind-address="${application.gemfire.client-server.host}"
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host-name-for-clients="${application.gemfire.client-server.host}"
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port="${spring.session.data.gemfire.port:${application.gemfire.client-server.port}}"/>
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<!--6-->
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<bean class="org.springframework.session.data.gemfire.config.annotation.web.http.GemFireHttpSessionConfiguration"
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p:maxInactiveIntervalInSeconds="30"/>
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<!-- end::beans[] -->
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</beans>
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:context="http://www.springframework.org/schema/context"
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xmlns:gfe="http://www.springframework.org/schema/gemfire"
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xmlns:p="http://www.springframework.org/schema/p"
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xmlns:util="http://www.springframework.org/schema/util"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
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http://www.springframework.org/schema/gemfire http://www.springframework.org/schema/gemfire/spring-gemfire.xsd
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http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
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">
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<!-- tag::beans[] -->
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<!--1-->
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<context:annotation-config/>
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<!--2-->
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<context:property-placeholder location="classpath:META-INF/spring/application.properties"/>
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<!--3-->
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<bean class="sample.GemFireClientServerReadyBeanPostProcessor"/>
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<!--4-->
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<util:properties id="gemfireProperties">
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<!--<prop key="log-file">gemfire-client.log</prop>-->
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<prop key="log-level">${spring.session.data.gemfire.log-level:warning}</prop>
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</util:properties>
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<!--5-->
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<gfe:client-cache properties-ref="gemfireProperties" pool-name="gemfirePool"/>
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<!--6-->
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<gfe:pool keep-alive="false"
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ping-interval="5000"
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read-timeout="15000"
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retry-attempts="1"
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subscription-enabled="true"
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thread-local-connections="false">
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<gfe:server host="${application.gemfire.client-server.host}"
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port="${spring.session.data.gemfire.port:${application.gemfire.client-server.port}}"/>
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</gfe:pool>
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<!--7-->
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<bean class="org.springframework.session.data.gemfire.config.annotation.web.http.GemFireHttpSessionConfiguration"
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p:maxInactiveIntervalInSeconds="30" p:poolName="DEFAULT"/>
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<!-- end::beans[] -->
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</beans>
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<?xml version="1.0" encoding="UTF-8"?>
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<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
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<!--
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- Location of the XML file that defines the root application context
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- Applied by ContextLoaderListener.
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-->
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<!-- tag::context-param[] -->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>/WEB-INF/spring/session-client.xml</param-value>
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</context-param>
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<!-- end::context-param[] -->
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<!-- tag::springSessionRepositoryFilter[] -->
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<filter>
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<filter-name>springSessionRepositoryFilter</filter-name>
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<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
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</filter>
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<filter-mapping>
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<filter-name>springSessionRepositoryFilter</filter-name>
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<url-pattern>/*</url-pattern>
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<dispatcher>REQUEST</dispatcher>
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<dispatcher>ERROR</dispatcher>
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</filter-mapping>
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<!-- end::springSessionRepositoryFilter[] -->
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<!--
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- Loads the root application context of this web app at startup.
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- The application context is then available via
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- WebApplicationContextUtils.getWebApplicationContext(servletContext).
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-->
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<!-- tag::listeners[] -->
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<!-- end::listeners[] -->
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<servlet>
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<servlet-name>session</servlet-name>
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<servlet-class>sample.SessionServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>session</servlet-name>
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<url-pattern>/session</url-pattern>
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</servlet-mapping>
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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</web-app>
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50
samples/xml/gemfire-clientserver/src/main/webapp/index.jsp
Normal file
50
samples/xml/gemfire-clientserver/src/main/webapp/index.jsp
Normal file
@@ -0,0 +1,50 @@
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<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
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<%@ taglib prefix="wj" uri="http://www.webjars.org/tags" %>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Session Attributes</title>
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<wj:locate path="bootstrap.min.css" relativeTo="META-INF/resources" var="bootstrapCssLocation"/>
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<link rel="stylesheet" href="<c:url value="${bootstrapCssLocation}"/>">
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<style type="text/css">
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body {
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padding: 1em;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Description</h1>
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<p>This application demonstrates how to use a GemFire instance to back your session. Notice that there is no JSESSIONID cookie. We are also able to customize the way of identifying what the requested session id is.</p>
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<h1>Try it</h1>
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<form class="form-inline" role="form" action="./session" method="post">
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<label for="attributeName">Attribute Name</label>
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<input id="attributeName" type="text" name="attributeName"/>
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<label for="attributeValue">Attribute Value</label>
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<input id="attributeValue" type="text" name="attributeValue"/>
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<input type="submit" value="Set Attribute"/>
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</form>
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<hr/>
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<table class="table table-striped">
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<thead>
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<tr>
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<th>Attribute Name</th>
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<th>Attribute Value</th>
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</tr>
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</thead>
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<tbody>
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<c:forEach items="${sessionScope}" var="attr">
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<tr>
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<td><c:out value="${attr.key}"/></td>
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<td><c:out value="${attr.value}"/></td>
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</tr>
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</c:forEach>
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</tbody>
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</table>
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</div>
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</body>
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</html>
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Reference in New Issue
Block a user