Findbugs Warnings
-----------------
Key: AXIS2-4661
URL: https://issues.apache.org/jira/browse/AXIS2-4661
Project: Axis2
Issue Type: Bug
Affects Versions: 1.5.1
Reporter: Marco Tulio Valente
Priority: Minor
Dear all,
We are conducting an study about the relevance of the warnings reported by the
FindBugs tool when executed over several open-source systems.
Particularly, in the case of Axis2, we would like to confirm the relevance of
the following warning reported by the tool (for Axis2 1.5.1):
Warning: Invocation of toString on an array
Locations:
* org.apache.axis2.context.externalize.DebugObjectOutputStream write - Line 70
* org.apache.axis2.jaxws.description.builder.ActionAnnot toString - Line 83
* org.apache.axis2.jaxws.description.impl.AttachmentDescriptionImpl toString -
Line 66
* org.apache.axis2.jaxws.description.impl.OperationDescriptionImpl toString -
Line 1559
* org.apache.axis2.jaxws.message.util.Reader getTextCharacters - Line 277
Warning: Nullcheck of value previously dereferenced. A value is checked here to
see whether it is null, but this value can't be null because it was previously
dereferenced and if it were null a null pointer exception would have occurred
at the earlier dereference
Location:
* org.apache.axis2.jaxws.description.impl.URIResolverImpl constructPath - Line
284
Warning: This call to a generic collection method contains an argument with an
incompatible class from that of the collection's parameter (i.e., the type of
the argument is neither a supertype nor a subtype of the corresponding generic
type argument).
Locations:
* org.apache.axis2.jaxws.message.impl.MessageImpl getAttachmentID - Line 337
* org.apache.axis2.jaxws.utility.XMLRootElementUtil createPropertyDescriptorMap
- Line 209
Warning: Null value is guaranteed to be dereferenced. There is a statement or
branch that if executed guarantees that a value is null at this point, and that
value that is guaranteed to be dereferenced
Locations:
* org.apache.axis2.schema.writer.CStructWriter process - Line 340
* org.apache.axis2.schema.writer.JavaBeanWriter process - Line 489
Warning: Null pointer dereference. A null pointer is dereferenced here.
Location:
* org.apache.axis2.saaj.SOAPHeaderImpl addUpgradeHeaderElement - Line 370
Warning: Possible null pointer dereference. There is a branch of statement
that, if executed, guarantees that a null value will be dereferenced, which
would generate a NullPointerException
Location:
* org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter
getOutputParamElement - Line 3222
Warning: Nullcheck of value previously dereferenced. A value is checked here to
see whether it is null, but this value can't be null because it was previously
dereferenced and if it were null a null pointer exception would have occurred
at the earlier dereference.
Location:
* org.apache.axis2.wsdl.codegen.emitter.CEmitter addCSpecifcAttributes - Line
672
Since these warnings seemed relevant to us, we would like to confirm our
classification with Axis2's developers.
Best regards,
Marco Tulio Valente
Brazil
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