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IV59352: JAVA.UTIL.ZIP.ZIPEXCEPTION IS THROWN WHEN COPYING JAR FILE USING PACK200 API

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: ZipException is thrown when copying JAR file
using Pack200 API
.
Stack Trace: java.util.zip.ZipException: invalid entry
compressed size (expected 2 but got 3 bytes)at
java.util.zip.ZipOutputStream.closeEntry(ZipOutputStream.java:24
8)at
java.util.zip.ZipOutputStream.putNextEntry(ZipOutputStream.java:
177)at
java.util.jar.JarOutputStream.putNextEntry(JarOutputStream.java:
109)at
com.sun.java.util.jar.pack.Utils.copyJarFile(Utils.java:258)at
com.sun.java.util.jar.pack.Utils.copyJarFile(Utils.java:281)at
com.sun.java.util.jar.pack.PackerImpl.pack(PackerImpl.java:97)..
.Suppressed: java.util.zip.ZipException: invalid entry
compressed size (expected 2 but got 3 bytes)at
java.util.zip.ZipOutputStream.closeEntry(ZipOutputStream.java:24
8)at
java.util.zip.ZipOutputStream.finish(ZipOutputStream.java:343)at
java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.ja
va:238)at
java.util.zip.ZipOutputStream.close(ZipOutputStream.java:360)at
com.sun.java.util.jar.pack.Utils.copyJarFile(Utils.java:282)...
2 more
.

Local fix

  • 



Problem summary


    

  • When a JAR file generated using one compression algorithm is
copied to another JAR file using a different compression
algorithm, the compressed sizes of entries stored in the input
JAR file may not match with the compressed size generated for
entries in the output JAR file.  This is because different
versions of compression algorithms can generate different
compressed sizes.  Hence, we get the "ZipException: invalid
entry compressed size".

    



Problem conclusion


    

  • This APAR will be fixed in the following Java Releases:
   7    SR7       (7.0.7.0)
   7 R1 SR1       (7.1.1.0)
.
The Pack200 API is modified to ensure that the JAR entry in the
output JAR file is updated with the newly computed compressed
size instead of using the JAR entry value read from the input
JAR file.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV59352
    • 

  • Reported component name
    JAVA CLASS LIBS
    • 

  • Reported component ID
    620700130
    • 

  • Reported release
    700
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2014-04-16
    • 

  • Closed date
    2014-04-16
    • 

  • Last modified date
    2014-04-16
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    JAVA CLASS LIBS
    • 

  • Fixed component ID
    620700130
    • 



Applicable component levels


    

  • R700  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            22 February 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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