NPE at o.a.t.sdo.impl.ClassImpl.getProperty(ClassImpl.java:192) w/multiple
threads
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Key: TUSCANY-682
URL: http://issues.apache.org/jira/browse/TUSCANY-682
Project: Tuscany
Issue Type: Bug
Components: Java SDO Implementation
Affects Versions: Java-M1
Environment: Win2K, multi-threaded load test
Reporter: Ron Gavlin
Priority: Critical
I receive the following NPE when using Tuscany SDO in a multi-threaded
environment. Here is the stack trace:
java.lang.NullPointerException
at org.apache.tuscany.sdo.impl.ClassImpl.getProperty(ClassImpl.java:192)
at
org.apache.tuscany.sdo.util.DataObjectUtil.getProperty(DataObjectUtil.java:2342)
at
org.apache.tuscany.sdo.util.DataObjectUtil.getProperty(DataObjectUtil.java:1284)
at
org.apache.tuscany.sdo.util.DataObjectUtil$Accessor.setFeatureName(DataObjectUtil.java:2032)
at
org.apache.tuscany.sdo.util.DataObjectUtil$Accessor.process(DataObjectUtil.java:2139)
at
org.apache.tuscany.sdo.util.DataObjectUtil$Accessor.init(DataObjectUtil.java:1918)
at
org.apache.tuscany.sdo.util.DataObjectUtil$Accessor.create(DataObjectUtil.java:1838)
at org.apache.tuscany.sdo.util.DataObjectUtil.get(DataObjectUtil.java:739)
at org.apache.tuscany.sdo.util.DataObjectUtil.get(DataObjectUtil.java:213)
...
I suspect the NPE is due to synchronization problems with the
ClassImpl.propertyNameToPropertyMap. This problem occurs during load testing of
our application.
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