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https://issues.apache.org/jira/browse/TUSCANY-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12474877
]
Hasan Muhammad commented on TUSCANY-1130:
-----------------------------------------
Frank,
I already tried that. It didnt seem to work at all which surprised me. Hence i
got confused. Here is the rest of the exception just to let you know where it
is coming from
at org.apache.tuscany.sdo.util.SDOUtil.createHelperContext(SDOUtil.java:299)
at
org.apache.tuscany.databinding.sdo.ImportSDOLoader.load(ImportSDOLoader.java:75)
at
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:84)
at
org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:91)
at
org.apache.tuscany.core.implementation.composite.CompositeLoader.load(CompositeLoader.java:65)
at
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:84)
at
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistryImpl.java:102)
at
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.loadFromSidefile(CompositeComponentTypeLoader.java:65)
at
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:57)
at
org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader.load(CompositeComponentTypeLoader.java:39)
at
org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(LoaderRegistryImpl.java:156)
at
org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:128)
at
org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.java:93)
at
org.apache.tuscany.core.launcher.LauncherImpl.bootApplication(LauncherImpl.java:216)
> Concurrent access to SDOUtil.createHelperContext() results in exception
> -----------------------------------------------------------------------
>
> Key: TUSCANY-1130
> URL: https://issues.apache.org/jira/browse/TUSCANY-1130
> Project: Tuscany
> Issue Type: Bug
> Components: Java SDO Implementation
> Affects Versions: Java-M2
> Environment: All
> Reporter: Hasan Muhammad
> Fix For: Java-M2
>
> Attachments: 1130.patch
>
>
> In tuscany runtime, when multiple apps are started simultaneously, we get an
> exception as below: This is a problem with acessing
> SDOUtil.createHelperContext(0 concurrently.
> Exception = java.util.ConcurrentModificationException
> Source = com.ibm.ws.soa.sca.admin.config.loader.SDOLoader.<INIT>
> probeid = 80
> Stack Dump = java.util.ConcurrentModificationException: concurrent access to
> HashMap attempted by Thread[server.startup : 2,5,main]
> at java.util.HashMap.onExit(HashMap.java:217)
> at java.util.HashMap.transfer(HashMap.java:514)
> at java.util.HashMap.resize(HashMap.java:500)
> at java.util.HashMap.addEntry(HashMap.java:800)
> at java.util.HashMap.put(HashMap.java:441)
> at
> com.ibm.sdo.internal.ecore.util.BasicExtendedMetaData$EPackageExtendedMetaDataImpl.getType(BasicExtendedMetaData.java:2064)
> at
> com.ibm.sdo.internal.ecore.util.BasicExtendedMetaData.getType(BasicExtendedMetaData.java:115)
> at
> com.ibm.sdo.internal.xsd.ecore.XSDEcoreBuilder.populateTypeToTypeObjectMap(XSDEcoreBuilder.java:108)
> at
> org.apache.tuscany.sdo.helper.SDOXSDEcoreBuilder.<init>(SDOXSDEcoreBuilder.java:61)
> at
> org.apache.tuscany.sdo.helper.XSDHelperImpl.<init>(XSDHelperImpl.java:79)
> at
> org.apache.tuscany.sdo.helper.XSDHelperImpl.<init>(XSDHelperImpl.java:94)
> at
> org.apache.tuscany.sdo.helper.HelperContextImpl.<init>(HelperContextImpl.java:48)
> at
> org.apache.tuscany.sdo.helper.HelperContextImpl.<init>(HelperContextImpl.java:52)
> at
> org.apache.tuscany.sdo.util.SDOUtil.createHelperContext(SDOUtil.java:299)
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