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Merge branch '2.2.x'

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Closes gh-21053
This commit is contained in:
Phillip Webb
2020-04-20 17:57:57 -07:00
parent 5d56d652fb 7d68c7c4c4
commit 03a9738f3b
6 changed files with 35 additions and 9 deletions
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2
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/JettyWebServer.java
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@@ -175,7 +175,7 @@ public class JettyWebServer implements WebServer {
}
catch (IOException ex) {
if (connector instanceof NetworkConnector && findBindException(ex) != null) {
throw new PortInUseException(((NetworkConnector) connector).getPort());
throw new PortInUseException(((NetworkConnector) connector).getPort(), ex);
}
throw ex;
}

23
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/netty/NettyWebServer.java
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@@ -23,6 +23,7 @@ import java.util.function.BiFunction;
import java.util.function.Predicate;
import io.netty.channel.group.DefaultChannelGroup;
import io.netty.channel.unix.Errors.NativeIoException;
import io.netty.util.concurrent.DefaultEventExecutor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -53,7 +54,12 @@ import org.springframework.util.Assert;
*/
public class NettyWebServer implements WebServer {
private static final Predicate<HttpServerRequest> ALWAYS = (r) -> true;
/**
* Permission denied error code from {@code errno.h}.
*/
private static final int ERROR_NO_EACCES = -13;
private static final Predicate<HttpServerRequest> ALWAYS = (request) -> true;
private static final Log logger = LogFactory.getLog(NettyWebServer.class);
@@ -111,8 +117,8 @@ public class NettyWebServer implements WebServer {
}
catch (Exception ex) {
ChannelBindException bindException = findBindException(ex);
if (bindException != null) {
throw new PortInUseException(bindException.localPort());
if (bindException != null && !isPermissionDenied(bindException.getCause())) {
throw new PortInUseException(bindException.localPort(), ex);
}
throw new WebServerException("Unable to start Netty", ex);
}
@@ -121,6 +127,17 @@ public class NettyWebServer implements WebServer {
}
}
private boolean isPermissionDenied(Throwable bindExceptionCause) {
try {
if (bindExceptionCause instanceof NativeIoException) {
return ((NativeIoException) bindExceptionCause).expectedErr() == ERROR_NO_EACCES;
}
}
catch (Throwable ex) {
}
return false;
}
@Override
public boolean shutDownGracefully() {
return this.shutdown.shutDownGracefully();

2
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowServletWebServer.java
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@@ -178,7 +178,7 @@ public class UndertowServletWebServer implements WebServer {
List<Port> actualPorts = getActualPorts();
failedPorts.removeAll(actualPorts);
if (failedPorts.size() == 1) {
throw new PortInUseException(failedPorts.iterator().next().getNumber());
throw new PortInUseException(failedPorts.iterator().next().getNumber(), ex);
}
}
throw new WebServerException("Unable to start embedded Undertow", ex);

2
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/UndertowWebServer.java
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@@ -126,7 +126,7 @@ public class UndertowWebServer implements WebServer {
List<UndertowWebServer.Port> actualPorts = getActualPorts();
failedPorts.removeAll(actualPorts);
if (failedPorts.size() == 1) {
throw new PortInUseException(failedPorts.iterator().next().getNumber());
throw new PortInUseException(failedPorts.iterator().next().getNumber(), ex);
}
}
throw new WebServerException("Unable to start embedded Undertow", ex);

13
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/server/PortInUseException.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2012-2019 the original author or authors.
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -32,7 +32,16 @@ public class PortInUseException extends WebServerException {
* @param port the port that was in use
*/
public PortInUseException(int port) {
super("Port " + port + " is already in use", null);
this(port, null);
}
/**
* Creates a new port in use exception for the given {@code port}.
* @param port the port that was in use
* @param cause the cause of the exception
*/
public PortInUseException(int port, Throwable cause) {
super("Port " + port + " is already in use", cause);
this.port = port;
}

2
spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/embedded/netty/NettyReactiveWebServerFactoryTests.java
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@@ -66,7 +66,7 @@ class NettyReactiveWebServerFactoryTests extends AbstractReactiveWebServerFactor
this.webServer.start();
factory.setPort(this.webServer.getPort());
assertThatExceptionOfType(PortInUseException.class).isThrownBy(factory.getWebServer(new EchoHandler())::start)
.satisfies(this::portMatchesRequirement);
.satisfies(this::portMatchesRequirement).withCauseInstanceOf(Throwable.class);
}
private void portMatchesRequirement(PortInUseException exception) {