Mohammad Shamsi created ARIES-1454:
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Summary: NPE in TxInterceptor
Key: ARIES-1454
URL: https://issues.apache.org/jira/browse/ARIES-1454
Project: Aries
Issue Type: Bug
Components: Transaction
Affects Versions: transaction-blueprint-1.1.1
Environment: Karaf 4.0.2 (Felix)
JPA (Hibernate)
Reporter: Mohammad Shamsi
I am running some load tests agains an osgi app, which is running inside karaf
4.0.2, using Aries Blueprint and JPA (Hibernate) .
The test is using multiple threads (10) to issue some random calls to the
application.
Sometimes, randomly, some of the call throwing NPE in TxInterceptor:
{code:java}
java.lang.NullPointerException
at
org.apache.aries.transaction.TxInterceptorImpl.postCallWithReturn(TxInterceptorImpl.java:101)[66:org.apache.aries.transaction.blueprint:1.1.1]
at
org.apache.aries.blueprint.proxy.SingleInterceptorCollaborator.postInvoke(SingleInterceptorCollaborator.java:75)[48:org.apache.aries.blueprint.core:1.4.4]
at Proxy65968de8_a064_4203_9a53_5f0c8e536279.lockAll(Unknown Source)[:]
{code}
The NPE is thrown from "postCallWithReturn" and "postCallWithException" in
following line:
{code:java}
token.getCoordination().end();
{code}
The "getCoordination()" call in above line is returning null.
As I mentioned, it is happening from time to time. sometimes after 20 mins,
sometimes after hours of test execution and it is happening in different
transactional methods in different classes of the application.
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