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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 40300] New: - Message not helpful
Date Tue, 22 Aug 2006 20:23:15 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=40300

           Summary: Message not helpful
           Product: Ant
           Version: 1.6.5
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core
        AssignedTo: dev@ant.apache.org
        ReportedBy: bpracht@nc.rr.com


When trying to filter a file that contains an apparently unexpected bytecode,
such as 0xB7, Ant issues message:
"Failed to copy <file1> to <file2> due to null"
Where file1 and file2 are source and destination files, respectively in
different directories.

Exact command invocation:
ant --noconfig -f test.xml

-----------------------------------------------------------

Output:
Buildfile: test.xml

test:
     [copy] Copying 1 file to /home/bpracht/testout
     [copy] Copying /home/bpracht/testin/FilteredFile.txt to
/home/bpracht/testout/FilteredFile.txt

BUILD FAILED
/home/bpracht/test.xml:8: Failed to copy /home/bpracht/testin/FilteredFile.txt
to /home/bpracht/testout/FilteredFile.txt due to null

Total time: 0 seconds
-----------------------------------------------------------
ant -diagnostics:
ANT_HOME=/opt/apache-ant-1.6.5/
------- Ant diagnostics report -------
Apache Ant version 1.6.5 compiled on June 2 2005

-------------------------------------------
 Implementation Version (JDK1.2+ only)
-------------------------------------------
core tasks     : 1.6.5
optional tasks : 1.6.5

-------------------------------------------
 ANT_HOME/lib jar listing
-------------------------------------------
ant.home: /opt/apache-ant-1.6.5/
ant-icontract.jar (9721 bytes)
ant-swing.jar (6763 bytes)
ant-antlr.jar (5667 bytes)
ant-apache-regexp.jar (3724 bytes)
ant-commons-logging.jar (3864 bytes)
xml-apis.jar (124724 bytes)
ant-launcher.jar (9180 bytes)
ant-xalan1.jar (4465 bytes)
ant-xslp.jar (2244 bytes)
ant-jai.jar (21359 bytes)
ant-junit.jar (74237 bytes)
ant-jdepend.jar (8160 bytes)
xercesImpl.jar (1010675 bytes)
ant-stylebook.jar (2328 bytes)
ant-commons-net.jar (35303 bytes)
ant-jsch.jar (22726 bytes)
ant-jmf.jar (6605 bytes)
ant-apache-log4j.jar (3022 bytes)
ant-weblogic.jar (14363 bytes)
ant-nodeps.jar (421008 bytes)
ant-apache-bcel.jar (8617 bytes)
ant-vaj.jar (49742 bytes)
ant-javamail.jar (6761 bytes)
ant-netrexx.jar (9998 bytes)
ant-starteam.jar (35472 bytes)
ant-apache-oro.jar (48034 bytes)
ant-apache-resolver.jar (4082 bytes)
ant-apache-bsf.jar (12597 bytes)
ant-trax.jar (68841 bytes)
ant.jar (1034049 bytes)

-------------------------------------------
 Tasks availability
-------------------------------------------
image : Missing dependency com.sun.media.jai.codec.FileSeekableStream
sshexec : Missing dependency com.jcraft.jsch.UserInfo
scp : Missing dependency com.jcraft.jsch.UserInfo
jdepend : Missing dependency jdepend.xmlui.JDepend
junit : Missing dependency junit.framework.TestListener

-------------------------------------------
 org.apache.env.Which diagnostics
-------------------------------------------
Not available.
Download it at http://xml.apache.org/commons/

-------------------------------------------
 XML Parser information
-------------------------------------------
XML Parser : org.apache.xerces.jaxp.SAXParserImpl
XML Parser Location: /opt/IBMJava2-142/jre/lib/xml.jar

-------------------------------------------
 System properties
-------------------------------------------
java.assistive : ON
java.runtime.name : Java(TM) 2 Runtime Environment, Standard Edition
sun.boot.library.path : /opt/IBMJava2-142/jre/bin
java.vm.version : 1.4.2
ant.library.dir : /opt/apache-ant-1.6.5//lib
java.vm.vendor : IBM Corporation
java.vendor.url : http://www.ibm.com/
path.separator : :
java.vm.name : Classic VM
file.encoding.pkg : sun.io
user.country : US
sun.os.patch.level : unknown
java.vm.specification.name : Java Virtual Machine Specification
user.dir : /home/bpracht
java.runtime.version : 1.4.2
java.fullversion : J2RE 1.4.2 IBM build cxia32142ifx-20060209 (SR4-1) (JIT
enabled: jitc)
java.awt.graphicsenv : sun.awt.X11GraphicsEnvironment
java.endorsed.dirs : /opt/IBMJava2-142/jre/lib/endorsed
os.arch : x86
com.ibm.vm.bitmode : 32
java.io.tmpdir : /tmp
line.separator : 

java.vm.specification.vendor : Sun Microsystems Inc.
java.awt.fonts : 
os.name : Linux
ant.home : /opt/apache-ant-1.6.5/
sun.java2d.fontpath : 
java.library.path :
/opt/IBMJava2-142/jre/bin:/opt/IBMJava2-142/jre/bin/classic:/opt/IBMJava2-142/jre/bin:/usr/lib
java.specification.name : Java Platform API Specification
java.class.version : 48.0
ibm.system.encoding : UTF-8
java.util.prefs.PreferencesFactory : java.util.prefs.FileSystemPreferencesFactory
invokedviajava : 
os.version : 2.6.11-1.1369_FC4smp
user.home : /home/bpracht
user.timezone : America/New_York
java.awt.printerjob : sun.print.PSPrinterJob
java.specification.version : 1.4
file.encoding : UTF-8
user.name : bpracht
java.class.path :
/opt/apache-ant-1.6.5//lib/ant-launcher.jar:/opt/apache-ant-1.6.5/lib/ant-icontract.jar:/opt/apache-ant-1.6.5/lib/ant-swing.jar:/opt/apache-ant-1.6.5/lib/ant-antlr.jar:/opt/apache-ant-1.6.5/lib/ant-apache-regexp.jar:/opt/apache-ant-1.6.5/lib/ant-commons-logging.jar:/opt/apache-ant-1.6.5/lib/xml-apis.jar:/opt/apache-ant-1.6.5/lib/ant-launcher.jar:/opt/apache-ant-1.6.5/lib/ant-xalan1.jar:/opt/apache-ant-1.6.5/lib/ant-xslp.jar:/opt/apache-ant-1.6.5/lib/ant-jai.jar:/opt/apache-ant-1.6.5/lib/ant-junit.jar:/opt/apache-ant-1.6.5/lib/ant-jdepend.jar:/opt/apache-ant-1.6.5/lib/xercesImpl.jar:/opt/apache-ant-1.6.5/lib/ant-stylebook.jar:/opt/apache-ant-1.6.5/lib/ant-commons-net.jar:/opt/apache-ant-1.6.5/lib/ant-jsch.jar:/opt/apache-ant-1.6.5/lib/ant-jmf.jar:/opt/apache-ant-1.6.5/lib/ant-apache-log4j.jar:/opt/apache-ant-1.6.5/lib/ant-weblogic.jar:/opt/apache-ant-1.6.5/lib/ant-nodeps.jar:/opt/apache-ant-1.6.5/lib/ant-apache-bcel.jar:/opt/apache-ant-1.6.5/lib/ant-vaj.jar:/opt/apache-ant-1.6
 .5/lib/ant-javamail.jar:/opt/apache-ant-1.6.5/lib/ant-netrexx.jar:/opt/apache-ant-1.6.5/lib/ant-starteam.jar:/opt/apache-ant-1.6.5/lib/ant-apache-oro.jar:/opt/apache-ant-1.6.5/lib/ant-apache-resolver.jar:/opt/apache-ant-1.6.5/lib/ant-apache-bsf.jar:/opt/apache-ant-1.6.5/lib/ant-trax.jar:/opt/apache-ant-1.6.5/lib/ant.jar:/opt/IBMJava2-142/lib/tools.jar
java.vm.specification.version : 1.0
sun.arch.data.model : 32
java.home : /opt/IBMJava2-142/jre
java.specification.vendor : Sun Microsystems Inc.
-----------------------------------------------------------
test.xml file:
-----------------------------------------------------------
<?xml version="1.0"?>
<project name="Test" default="test" basedir=".">
    <target name="test" depends="">
        <copy todir="testout"
              overwrite="false"
              verbose="true"
              flatten="false"
              includeEmptyDirs="true" >
            <fileset dir="testin" casesensitive="false">
                <include name="FilteredFile.txt"/>
            </fileset>
            <filterset>
                <filter token="__VERSION__" value="1.0"/>
            </filterset>
        </copy>
    </target>
</project>
-----------------------------------------------------------
To Recreate:
The FilteredFile.txt file should be in a subdirectory called
testin, and there should be an output directory called testout.
FilteredFile.txt should contain at least one unexpected byte, 
mine contains 0xB7.

Then run ant --noconfig -f test.xml.







-----------------------------------------------------------
Also noteworthy:
My LANG environment variable is en_US.UTF-8
If I change it to en_US, the test.xml works.
It also works if I remove the filtering in test.xml.
-----------------------------------------------------------

-----------------------------------------------------------
It's not that I think there shouldn't be an error message,
I just think it should be more informative.  Saying things
like "due to null" doesn't mean anything.  Null what?  Yes,
I did get a stack trace, but I don't see why I should have to.
The documentation should mention something about bad or bytes
and the LANG variable.  I still don't know which byte/characters
were not allowed.

FWIW, I can't say what code pages the files are in, only to say 
they're written in the US for a US audience.  I think that would be
CP-850, but I'm not sure.

Thanks,
Ben

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