Concurrent access to SDOUtil.createHelperContext() results in exception
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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
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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