[JBoss JIRA] (JASSIST-171) Calling SignatureAttribute$MethodSignature.toString results in RuntimeException: bad descriptor
9:58 a.m.
ami tabak created JASSIST-171:
---------------------------------
Summary: Calling SignatureAttribute$MethodSignature.toString results in
RuntimeException: bad descriptor
Key: JASSIST-171
URL: https://issues.jboss.org/browse/JASSIST-171
Project: Javassist
Issue Type: Feature Request
Affects Versions: 3.16.1-GA
Reporter: ami tabak
Assignee: Shigeru Chiba
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
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10 a.m.
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https://issues.jboss.org/browse/JASSIST-171?page=com.atlassian.jira.plugi...
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ami tabak updated JASSIST-171:
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Attachment: javassistBugSample.zip
Bug reconstrcution :
1. Add hadoop example jar to classpath
2. get CtClass for "org.apache.hadoop.examples.WordCount$TokenizerMapper"
3. getDeclaredBehaviors()
4. For each ctBehavior get SignatureAttribute
5. Get MethodSignature using SignatureAttribute.toMethodSignature
6. Attempt to call its MethodSignature.toString()
Calling SignatureAttribute$MethodSignature.toString results in
RuntimeException: bad descriptor
-----------------------------------------------------------------------------------------------
Key: JASSIST-171
URL: https://issues.jboss.org/browse/JASSIST-171
Project: Javassist
Issue Type: Feature Request
Affects Versions: 3.16.1-GA
Reporter: ami tabak
Assignee: Shigeru Chiba
Attachments: javassistBugSample.zip
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
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1:24 a.m.
[
https://issues.jboss.org/browse/JASSIST-171?page=com.atlassian.jira.plugi...
]
ami tabak updated JASSIST-171:
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Attachment: root-cause.jpg
Root cause is that the delimiter of the inner class Mapper$Context is not $ but rather a
"." (dot)e.g. Mapper.Context.
Looking at hadoops source code the inner class is defined as
"...
public class Mapper<KEYIN, VALUEIN, KEYOUT, VALUEOUT> {
public class Context ..{
}
..."
Calling SignatureAttribute$MethodSignature.toString results in
RuntimeException: bad descriptor
-----------------------------------------------------------------------------------------------
Key: JASSIST-171
URL: https://issues.jboss.org/browse/JASSIST-171
Project: Javassist
Issue Type: Feature Request
Affects Versions: 3.16.1-GA
Reporter: ami tabak
Assignee: Shigeru Chiba
Attachments: javassistBugSample.zip, root-cause.jpg
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
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1:26 a.m.
[
https://issues.jboss.org/browse/JASSIST-171?page=com.atlassian.jira.plugi...
]
ami tabak updated JASSIST-171:
------------------------------
Issue Type: Bug (was: Feature Request)
Description:
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
was:
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
Calling SignatureAttribute$MethodSignature.toString results in
RuntimeException: bad descriptor
-----------------------------------------------------------------------------------------------
Key: JASSIST-171
URL: https://issues.jboss.org/browse/JASSIST-171
Project: Javassist
Issue Type: Bug
Affects Versions: 3.16.1-GA
Reporter: ami tabak
Assignee: Shigeru Chiba
Attachments: javassistBugSample.zip, root-cause.jpg
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
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8:04 a.m.
[
https://issues.jboss.org/browse/JASSIST-171?page=com.atlassian.jira.plugi...
]
Shigeru Chiba resolved JASSIST-171.
-----------------------------------
Fix Version/s: 3.17.0-GA
Resolution: Done
Calling SignatureAttribute$MethodSignature.toString results in
RuntimeException: bad descriptor
-----------------------------------------------------------------------------------------------
Key: JASSIST-171
URL: https://issues.jboss.org/browse/JASSIST-171
Project: Javassist
Issue Type: Bug
Affects Versions: 3.16.1-GA
Reporter: ami tabak
Assignee: Shigeru Chiba
Fix For: 3.17.0-GA
Attachments: javassistBugSample.zip, root-cause.jpg
When attempting to instrument
"org.apache.hadoop.examples.WordCount$TokenizerMapper"
Am getting the following error:
Exception in thread "main" java.lang.RuntimeException: bad descriptor: o
at javassist.bytecode.Descriptor.toClassName(Descriptor.java:105)
at javassist.bytecode.SignatureAttribute$BaseType.toString(SignatureAttribute.java:450)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuffer.append(Unknown Source)
at javassist.bytecode.SignatureAttribute$Type.toString(SignatureAttribute.java:419)
at
javassist.bytecode.SignatureAttribute$MethodSignature.toString(SignatureAttribute.java:275)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at com.optier.bug.report.Test.main(Test.java:50)
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5023
days inactive
5056
days old
4 comments
2 participants
participants (2)
-
ami tabak (JIRA) -
Shigeru Chiba (JIRA)