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https://issues.apache.org/jira/browse/XALANJ-2439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833559#action_12833559
]
Helge Schulz commented on XALANJ-2439:
--------------------------------------
As I tried to explain in a comment to XALANJ-2438 my file
DOMLeak-XSLT-Test-1.0.jar contained only material licensed under Apache 2.0
license, because sources in package 'sun.com.org.apache.xalan.internal' are
covered exclusively by this license. But I have removed all patches for classes
in this package as Henry requested to resolve all doubts.
Regards, Helge
--
Helge Schulz - http://OpenSHORE.org
> [PATCH] XSLTC resource leak causes 'No more DTM IDs are available' error
> ------------------------------------------------------------------------
>
> Key: XALANJ-2439
> URL: https://issues.apache.org/jira/browse/XALANJ-2439
> Project: XalanJ2
> Issue Type: Bug
> Components: XSLTC
> Affects Versions: The Latest Development Code
> Environment: Linux and Windows XP with Sun JRE 1.5.0_15 and 1.6.0_05
> Reporter: Helge Schulz
> Priority: Minor
> Fix For: The Latest Development Code
>
> Attachments: DOMLeak-4-NodeSetAndMultiDOM.xsl,
> DOMLeak-Xalan-SVN-r584164.patch, DOMLeak-XSLT-Test-1.0.jar
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> The Xalan XSLT compiler (XSLTC) has several resource leaks in handling
> result tree fragments in XSLT variables and parameters. If a variable
> or parameter declaration contains XML elements, a new DOM tree is created
> and a new internal integer id is reserved for it. The garbage collector can
> never retrieve this DOM tree, because the id registration holds a reference
> to it. This bug prevents the transformation of large input files, because
> complex templates creates many result tree fragments and exceeds often the
> absolute limit of possible DOM trees in XSLTC (2^16 = 65535). If this
> limit is reached, XSLTC throws the following exception:
> DTMException: No more DTM IDs are available
> The attached patch adds a new release method to the DOM interface and calls
> it, when the scope of a variable or parameter is leaved.
> You can test this patch with the attached JAR file. This file can be
> called with
> java -Xmx800M -jar DOMLeak-XSLT-Test-X.Y.jar
> This file contains four test style sheets with expected output files.
> This bug exists also in *all* Sun JRE 1.5 and 1.6 versions, because the
> Xalan XSLTC source code is used in the 'com.sun.org.apache.xalan.internal'
> packages. The attached test JAR file contains also a patch for the current
> Sun JRE version 1.6.0_5 and a fix JAR file to be installed into the
> '../jre/lib/endorsed' directory of the JRE installation.
> Please add the attached test files to the Xalan test suite. I have
> released them under Apache license version 2.0.
> Helge Schulz - http://OpenSHORE.org
> ----------
> Here is the output of running my test cases with several Java version:
> test:
> apply-with-all-versions:
> [apply] Buildfile: build.xml
> [apply] test-java:
> [apply] [echo] Test Sun Java 1.4.2_17 with integrated XSLT
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl... Ok.
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> Ok.
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... Ok.
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... Ok.
> [apply] [echo]
> [apply] [echo] Test Sun Java 1.4.2_17 with latest Xalan (SVN
> revision 584164)
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... ERROR: 'No more DTM IDs are
> available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... ERROR:
> 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [echo]
> [apply] [echo] Test Sun Java 1.4.2_17 with fixed Xalan
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl... Ok.
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> Ok.
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... Ok.
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... Ok.
> [apply] BUILD SUCCESSFUL
> [apply] Total time: 1 minute 21 seconds
> [apply] Buildfile: build.xml
> [apply] test-java:
> [apply] [echo] Test Sun Java 1.5.0_15 with integrated XSLT
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... ERROR: 'No more DTM IDs are
> available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... ERROR:
> 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [echo]
> [apply] [echo] Test Sun Java 1.5.0_15 with latest Xalan (SVN
> revision 584164)
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... ERROR: 'No more DTM IDs are
> available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... ERROR:
> 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [echo]
> [apply] [echo] Test Sun Java 1.5.0_15 with fixed Xalan
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl... Ok.
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> Ok.
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... Ok.
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... Ok.
> [apply] BUILD SUCCESSFUL
> [apply] Total time: 2 minutes 13 seconds
> [apply] Buildfile: build.xml
> [apply] test-java:
> [apply] [echo] Test Sun Java 1.6.0_05 with integrated XSLT
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... ERROR: 'No more DTM IDs are
> available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... ERROR:
> 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> com.sun.org.apache.xml.internal.dtm.DTMException: No more DTM IDs are
> available
> [apply] [echo]
> [apply] [echo] Test Sun Java 1.6.0_05 with latest Xalan (SVN
> revision 584164)
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> ERROR: 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... ERROR: 'No more DTM IDs are
> available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... ERROR:
> 'No more DTM IDs are available'
> [apply] [java] XSLT Exception:
> org.apache.xml.dtm.DTMException: No more DTM IDs are available
> [apply] [echo]
> [apply] [echo] Test Sun Java 1.6.0_05 with fixed Xalan
> [apply] [java] Testing DOMLeak-1-ResultTreeInVariable.xsl... Ok.
> [apply] [java] Testing DOMLeak-2-ResultTreeInCallParameter.xsl...
> Ok.
> [apply] [java] Testing
> DOMLeak-3-ResultTreeInApplyParameter.xsl... Ok.
> [apply] [java] Testing DOMLeak-4-NodeSetAndMultiDOM.xsl... Ok.
> [apply] BUILD SUCCESSFUL
> [apply] Total time: 1 minute 42 seconds
> BUILD SUCCESSFUL
> Total time: 5 minutes 22 seconds
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