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Posted to dev@ant.apache.org by bu...@apache.org on 2002/08/21 18:42:28 UTC
DO NOT REPLY [Bug 11903] New: -
org.apache.tools.zip.ZipOutputStream.finish(ZipOutputStream.java(Compiled Code)) exception while creating a jar file
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11903
org.apache.tools.zip.ZipOutputStream.finish(ZipOutputStream.java(Compiled Code)) exception while creating a jar file
Summary: org.apache.tools.zip.ZipOutputStream.finish(ZipOutputStr
eam.java(Compiled Code)) exception while creating a jar
file
Product: Ant
Version: 1.5
Platform: PC
OS/Version: Windows NT/2K
Status: NEW
Severity: Major
Priority: Other
Component: Core tasks
AssignedTo: ant-dev@jakarta.apache.org
ReportedBy: dschiff@us.ibm.com
PROBLEM DESCRIPTION:
====================
Performing two occurances of the ant core task "jar" results in an
exception at the end of the second jar task/target:
java.lang.NullPointerException
at org.apache.tools.zip.ZipOutputStream.finish
(ZipOutputStream.java(Compiled Code))
at java.util.zip.DeflaterOutputStream.close
(DeflaterOutputStream.java:139)
at org.apache.tools.ant.taskdefs.Zip.execute
(Zip.java:402)
at org.apache.tools.ant.Task.perform
(Task.java:317)
at org.apache.tools.ant.Target.execute
(Target.java:309)
at org.apache.tools.ant.Target.performTasks
(Target.java:334)
at org.apache.tools.ant.Project.executeTarget
(Project.java:1306)
at org.apache.tools.ant.Project.executeTargets
(Project.java:1250)
at org.apache.tools.ant.Main.runBuild
(Main.java:610)
at org.apache.tools.ant.Main.start
(Main.java:196)
at org.apache.tools.ant.Main.main
(Main.java:235)
NOTES:
=============
o This problem can be reproduced with ant 1.5 (July 9, 2002) and
ant 1.6 (August 19, 2002).
o This problem does not occur with ant 1.4 (September 3, 2001).
o This problem does not occur if the jar task is performed only once.
o This problem also occurs when calling the "zip" target multiple times.
STEPS TO REPRODUCE:
===================
Test Preparation:
1. Install ant 1.5.
2. Create a directory named "antstuff".
3. Copy the build.xml sample below into a file named "antstuff\build.xml".
4. Copy the ant.properties sample below to a file named
"antstuff\ant.properties"
5. Create a directory named "antstuff\jars"
6. Copy in to the "antstuff\jars" directory several jar files.
Test Run:
Failure:
1. Open an MS-DOS command window.
2. "cd" to the "antstuff" directory.
3. Type the following into the MS-DOS command window:
ant -debug -logfile antlog1.5_debug.log <enter>
4. Allow the command to complete.
5. Open the "antlog1.5_debug.log" file and note that the end of the file
contains the exception.
Success(1):
6. Edit the antstuff\build.xml file and remove one of the dependent
targets in the "exceptions" target.
7. Save this change.
8. Repeat steps 1-4 above substituting "ant1.5a_debug.log" for the
logfile name.
9. Open the "antlog1.5a_debug.log" file and note that the script
ran successfully to completion.
Success(2):
10. Uninstall ant 1.5.
11. Install ant 1.4.
12. Restore the build.xml "exeception" target's depends list
to "combine_jars,create_new_jar".
13. Save this change.
12. Repeat steps 1-4 above substituting "ant1.4_debug.log" for the
logfile name.
9. Open the "antlog1.4_debug.log" file and note that the script
ran successfully to completion.
SAMPLE TEST FILES:
==================
build.xml:
----------
<project name="zip_jar_test" default="exceptions" basedir=".">
<property file="C:\antstuff\ant.properties"/>
<target name="combine_jars">
<!-- Create a temporary directory -->
<mkdir dir="\temp\combined_jars"/>
<!-- Unjar the specified jar files into the temporary directory: -->
<unjar src="${xmlapis}" dest="\temp\combined_jars"/>
<unjar src="${optional}" dest="\temp\combined_jars"/>
<unjar src="${xercesimpl}" dest="\temp\combined_jars"/>
<unjar src="${ant}" dest="\temp\combined_jars"/>
<!-- delete the manifest, stubs and ties files from the temp directory -->
<delete dir="\temp\combined_jars\META-INF"/>
<!-- Create the combined jar file of all files in the temp directory -->
<jar jarfile="jar1.jar" basedir="\temp\combined_jars"/>
</target>
<target name="create_new_jar">
<mkdir dir="D:\junk"/>
<delete dir="D:\junk"/>
<jar jarfile="jar2.jar" basedir="d:\temp"/>
</target>
<target name="exceptions" depends="combine_jars,create_new_jar"/>
</project>
ant.properties
--------------
jar.dir=C:
xmlapis=${jar.dir}\\antstuff\\jars\\xml-apis.jar
optional=${jar.dir}\\antstuff\\jars\\optional.jar
xercesimpl=${jar.dir}\\antstuff\\jars\\xercesImpl.jar
ant=${jar.dir}\\antstuff\\jars\\ant.jar
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