We have many Linux machines of different brands, sharing the same NFS filesystem
for home. The Lucene file indexing demo program is failing with
LockObainFailedException
only on one particular Linux machine (Fedora Core 4, x86). I am including
the console output at the bottom of this message.
I tried Lucene 2.9.0, 2.9.1 and 3.0.0, and the result is identical.
After searching the Internet, I saw some postings suggesting that this happens
when the disk space is low. But there seem to be more than enough for this
small demo. I didn't understand suggestions about lockd. I'd appreciate
for any advices on how to find the cause of this Exception.
Thank you in advance.
T. "Kuro" Kurosaka
-bash-3.00$ cd lucene-3.0.0/
-bash-3.00$ ant demo-index-text
Buildfile: build.xml
jar.core-check:
compile-demo:
[mkdir] Created dir: /basis/users/kuro/opt/lucene-3.0.0/build/classes/demo
[javac] Compiling 17 source files to
/basis/users/kuro/opt/lucene-3.0.0/build/classes/demo
jar-demo:
[jar] Building jar:
/basis/users/kuro/opt/lucene-3.0.0/lucene-demos-3.0.0.jar
demo-index-text:
[echo] ----- (1) Prepare dir -----
[echo] cd /basis/users/kuro/opt/lucene-3.0.0
[echo] rmdir demo-text-dir
[echo] mkdir demo-text-dir
[mkdir] Created dir: /basis/users/kuro/opt/lucene-3.0.0/demo-text-dir
[echo] cd demo-text-dir
[echo] ----- (2) Index the files located under
/basis/users/kuro/opt/lucene-3.0.0/src -----
[echo] java -classpath
"../lucene-core-3.0.0.jar;../lucene-demos-3.0.0.jar"
org.apache.lucene.demo.IndexFiles ../src/demo
[java] caught a class org.apache.lucene.store.LockObtainFailedException
[java] with message: Lock obtain timed out:
NativeFSLock@/basis/users/kuro/opt/lucene-3.0.0/demo-text-dir/index/write.lock:
java.io.IOException: Input/output error
BUILD SUCCESSFUL
Total time: 6 seconds
-bash-3.00$ df -k . /tmp
Filesystem 1K-blocks Used Available Use% Mounted on
storev:/vol/exports/users
3119362560 2790661520 328701040 90% /basis/users
/dev/sda2 9718360 7700764 1515968 84% /
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