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Posted to dev@tuscany.apache.org by "Raymond Feng (JIRA)" <tu...@ws.apache.org> on 2008/04/11 19:52:04 UTC
[jira] Resolved: (TUSCANY-2085) ConcurentModExc in
DefaultDataBindingExtensionPoint
[ https://issues.apache.org/jira/browse/TUSCANY-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Raymond Feng resolved TUSCANY-2085.
-----------------------------------
Resolution: Fixed
Fixed under rr647242. Thanks for the patch.
> ConcurentModExc in DefaultDataBindingExtensionPoint
> ----------------------------------------------------
>
> Key: TUSCANY-2085
> URL: https://issues.apache.org/jira/browse/TUSCANY-2085
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Data Binding Runtime
> Affects Versions: Java-SCA-1.1
> Reporter: Scott Kurz
> Assignee: Raymond Feng
> Priority: Minor
> Fix For: Java-SCA-Next
>
> Attachments: 2085.patch
>
>
> Get an exception like the following,
> java.util.ConcurrentModificationException
> at java.util.AbstractList$SimpleListIterator.next(Unknown Source)at org.apache.tuscany.sca.databinding.DefaultDataBindingExtensionPoint.introspectType(DefaultDataBindingExtensionPoint.java:223)
> at org.apache.tuscany.sca.interfacedef.java.jaxws.JAXWSFaultExceptionMapper.introspectFaultDataType(JAXWSFaultExceptionMapper.java:214)
> at org.apache.tuscany.sca.interfacedef.java.jaxws.JAXWSJavaInterfaceProcessor.introspectFaultTypes(JAXWSJavaInterfaceProcessor.java:178)
> at org.apache.tuscany.sca.interfacedef.java.jaxws.JAXWSJavaInterfaceProcessor.visitInterface(JAXWSJavaInterfaceProcessor.java:90)
> at org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceIntrospectorImpl.introspectInterface(JavaInterfaceIntrospectorImpl.java:91)
> as this thread, A, is in a for-loop looping through 'databindings'
> public boolean introspectType(DataType dataType, Annotation[] annotations, boolean isException) {
> loadDataBindings();
> for (DataBinding binding : databindings) {
> while another thread, B, is still in loadDataBindings() and is still adding to the databindings ArrayList.
> I'm working around this by putting a lock around the whole body of loadDataBindings()
> private final byte[] loadingLock = new byte[0];
> ...
> private void loadDataBindings() {
> synchronized (loadingLock) {
> if (loadedDataBindings)
> return;
> ...
> }
> }
> Another option might be to change addDataBinding() to look at the 'bindings' Map before adding to 'databindings'.
> I'll attach a patch and leave it for a second opinion.
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