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Issue #1968 Prevent deadlock on thinclient startup

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Change-Id: I522082d3c633b583e9b72941ec17464731ceba5e

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This commit is contained in:
Dustin Johnson 2013-05-01 15:48:15 -05:00
parent a81b2de3b8
commit 9120b57b4f
1 changed files with 7 additions and 5 deletions
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12
edexOsgi/com.raytheon.uf.common.serialization/src/com/raytheon/uf/common/serialization/SerializationUtil.java
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@ -45,6 +45,7 @@ import com.raytheon.uf.common.util.ServiceLoaderUtil;
* to accept class parameter, deprecate old versions. Improve performance
* of getJaxbManager().
* Feb 07, 2013 1543 djohnson Use ServiceLoader to find how to load jaxbable classes, defaulting to SerializableManager.
* May 01, 2013 1968 djohnson Prevent deadlock due to SerializableManager threads needing to serialize things.
*
* </pre>
*
@ -54,10 +55,6 @@ import com.raytheon.uf.common.util.ServiceLoaderUtil;
public final class SerializationUtil {
private static final IJaxbableClassesLocator jaxbableClassesLocator = ServiceLoaderUtil
.load(IJaxbableClassesLocator.class,
SerializableManager.getInstance());
private static volatile JAXBManager jaxbManager;
private SerializationUtil() {
@ -79,7 +76,12 @@ public final class SerializationUtil {
synchronized (SerializationUtil.class) {
result = jaxbManager;
if (result == null) {
List<Class<ISerializableObject>> jaxbClasses = jaxbableClassesLocator
// This cannot be eagerly created as
// SerializableManager.getInstance() spawns threads which
// were causing a deadlock
List<Class<ISerializableObject>> jaxbClasses = ServiceLoaderUtil
.load(IJaxbableClassesLocator.class,
SerializableManager.getInstance())
.getJaxbables();
jaxbManager = result = new JAXBManager(
jaxbClasses.toArray(new Class[jaxbClasses.size()]));