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  1. JDK
  2. JDK-5072161

OutOfMemoryError while using GZIPOutputStream

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    Description

      Customer is using his J2EE Server with JDK 1.3.1_12. The SAP J2EE Engine is running the Enterprise Portal and serving compressed output. The java.util.zip.GZIPOutputStream which is used calls into the OpenSource compression library zlib (www.gzip.org/zlib) which we ship (even in Tiger!) in version 1.1.3 from 9 July 1998. After some hours the server crashes with an OOM.

      - The latest zlib is: 1.2.1, from 17. Nov. 2003, check the ChangeLog there are MANY fixes.
      - An alternative usage of a pure-java compression makes the crash disappear.
      - SAP swaped the zlib-sources in the JDK ( just to narrow this issue down!) to the latest one ( ... and build their own VM ): No OOM anymore.
      ###@###.### 10/16/04 01:02 GMT

      I've changed this bug from
      Synopsis: OutOfMemoryError while using GZIPOutputStream, zlib memleak
      to
      (ref) Finalizer thread sometimes can't keep up with other threads

      to more accurately reflect the underlying problem.
      ###@###.### 2005-1-10 23:30:21 GMT

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          duplicates

          Enhancement - null JDK-4797189 Finalizers not called promptly enough

          • P3 - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-5105410 ZipFile$ZipFileInputStream doesn't close handle to zipfile

          • P2 - Crashes, loss of data, severe memory leak.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-6206933 GZipOutputStream/InputStream goes critical(calls JNI_Get*Critical) and causes slowness

          • P2 - Crashes, loss of data, severe memory leak.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-6223075 java.util.zip stream classes do not close default {De,In}flaters

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-6223076 Unnecessary object retention in java.util.zip.Deflater

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-5092131 using 1 MB pagesize throws "not enough space" error with 32bit JVM

          • P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-6293787 Unexpected memory growth while using Inflater/Deflater classes

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed

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              bristor Dave Bristor
              duke J. Duke
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