Spring/spring-batch
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RESOLVED - issue BATCH-912: Thread safety issue in JobRegistryBackgroundJobRunner

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Fixed
This commit is contained in:
dsyer
2008-11-08 18:08:47 +00:00
parent aaa7c03b2b
commit 38520ea68c
1 changed files with 13 additions and 6 deletions
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19
spring-batch-core/src/main/java/org/springframework/batch/core/launch/support/JobRegistryBackgroundJobRunner.java
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@@ -18,6 +18,7 @@ package org.springframework.batch.core.launch.support;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.commons.logging.Log;
@@ -79,7 +80,7 @@ public class JobRegistryBackgroundJobRunner {
final private String parentContextPath;
private static List<Exception> errors = new ArrayList<Exception>();
private static List<Exception> errors = Collections.synchronizedList(new ArrayList<Exception>());
/**
* @param parentContextPath
@@ -103,7 +104,9 @@ public class JobRegistryBackgroundJobRunner {
* @return the errors
*/
public static List<Exception> getErrors() {
return errors;
synchronized (errors) {
return new ArrayList<Exception>(errors);
}
}
private void register(String[] paths) throws DuplicateJobException, IOException {
@@ -183,11 +186,15 @@ public class JobRegistryBackgroundJobRunner {
while (launcher.parentContext == null && errors.isEmpty()) {
Thread.sleep(100L);
}
if (!errors.isEmpty()) {
logger.info(errors.size() + " errors detected on startup of parent context. Rethrowing.");
throw errors.get(0);
}
synchronized (errors) {
if (!errors.isEmpty()) {
logger.info(errors.size() + " errors detected on startup of parent context. Rethrowing.");
throw errors.get(0);
}
}
errors.clear();
// Paths to individual job configurations.
final String[] paths = new String[args.length - 1];
System.arraycopy(args, 1, paths, 0, paths.length);