Not sure if this should be regarded as a problem or not, but I get a
test failure when using IBM Java:
java version "1.6.0"
Java(TM) SE Runtime Environment (build pwi3260-20071123_01)
IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 Windows XP x86-32
jvmwi3260-20071121_15015 (JIT enabled)
J9VM - 20071121_015015_lHdSMR
JIT - r9_20071121_1330
GC - 20071031_AA)
JCL - 20071118_01
[junit] Caused an ERROR
[junit] org.apache.commons.chain.impl.ContextBase$MapEntryImpl
incompatible with java.util.HashMap$Entry
[junit] java.lang.ClassCastException:
org.apache.commons.chain.impl.ContextBase$MapEntryImpl incompatible
with java.util.HashMap
$Entry
[junit] at java.util.HashMap.writeObject(Unknown Source)
[junit] at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:957)
[junit] at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1473)
[junit] at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1404)
[junit] at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1162)
[junit] at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:338)
[junit] at
org.apache.commons.chain.impl.ContextBaseTestCase.testSeriaization(ContextBaseTestCase.java:368)
[junit]
Target 'internal-test' failed with message 'Test
org.apache.commons.chain.impl.ContextBaseTestCase failed'.
I've no idea why this error occurs, as the code in question says:
"private class MapEntryImpl implements Map.Entry"
There are some errors that Findbugs finds:
org.apache.commons.chain.impl.ContextBase is Serializable; consider
declaring a serialVersionUID
Quite a few of these too:
Non-serializable value stored into instance field of a serializable class:
e.g.
org.apache.commons.chain.web.portlet.PortletApplicationScopeMap stored
into non-transient field PortletWebContext.applicationScope
org.apache.commons.chain.web.portlet.PortletParamMap stored into
non-transient field PortletWebContext.param
Looks like the serialization tests are not picking these up.
If no-one has reported any related problems then perhaps these
particular classes are never serialized.
These will probably be tricky to fix, so I guess they could be left
for another release.
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