TestExternMetExtractor fails if temp directory is mounted noexec
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Key: OODT-110
URL: https://issues.apache.org/jira/browse/OODT-110
Project: OODT
Issue Type: Bug
Components: build proces
Affects Versions: 0.2
Environment: Linux with Sun JDK 6 and /tmp mounted with noexec option
Reporter: Scott Konzem
The setup() method in the test class
org.apache.oodt.cas.metadata.extractors.TestExternMetExtractor writes an
executable file to the default Java temp directory, which on my system is /tmp.
For security reasons, /tmp on my system has been mounted noexec, meaning no
files on this partition can be executed (for the most part). When the
testExtractor() method then tries to run the executable, it causes a test
failure that prevents me from moving further in the build process. That's as
far as I've gotten with installation, so I don't know if this is how the
program would work in production. The output is as follows:
Running org.apache.oodt.cas.metadata.extractors.TestExternMetExtractor
Jan 11, 2011 8:15:58 AM
org.apache.oodt.cas.metadata.extractors.ExternMetExtractor extrMetadata
INFO: Generating met file for product file:
[/tmp/metadata5254850749474468821.tests/testfile.txt]
Jan 11, 2011 8:15:58 AM
org.apache.oodt.cas.metadata.extractors.ExternMetExtractor extrMetadata
INFO: Executing command line:
[/tmp/metadata5254850749474468821.tests/testExtractor
/tmp/metadata5254850749474468821.tests/testfile.txt
/tmp/metadata5254850749474468821.tests/testfile.txt.met -Dtrue=always foo bar
/home/scott/test\ boo ] with workingDir:
[/tmp/metadata5254850749474468821.tests] to extract metadata
Jan 11, 2011 8:15:58 AM
org.apache.oodt.cas.metadata.extractors.ExternMetExtractor extrMetadata
WARNING: IOException running met extraction: commandLine:
[/tmp/metadata5254850749474468821.tests/testExtractor
/tmp/metadata5254850749474468821.tests/testfile.txt
/tmp/metadata5254850749474468821.tests/testfile.txt.met -Dtrue=always foo bar
/home/scott/test\ boo ]: Message: Cannot run program
"/tmp/metadata5254850749474468821.tests/testExtractor" (in directory
"/tmp/metadata5254850749474468821.tests"): java.io.IOException: error=13,
Permission denied
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.387 sec <<<
FAILURE!
I'd also note that
org.apache.oodt.cas.metadata.extractors.TestExternMetExtractor.setup() runs a
"chmod +x" on the temp executable file. This means the test will likely fail
on a non-*nix system and halt the build process. The associated comment in the
code is "yes this is ghetto" (line 123).
I'm not sure if it's possible to change Java's temp directory with an
environment variable; so far the only way I've found to change it is by setting
-Djava.io.tmpdir. See
http://stackoverflow.com/questions/1924136/environment-variable-to-control-java-io-tmpdir
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