Interesting observations. Definitely something to keep in mind at least.

/Erik

On 2013-01-09 04:30, David Chase wrote:
I had a failure building on a Mac (Mountain Lion, 10.8.2), both new build and 
old build, at this step:

            /Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home/bin/java 
-XX:-PrintVMOptions -XX:+UnlockDiagnosticVMOptions -XX:-LogVMOutput 
-Djava.awt.headless=true -Xmx512m -Xms512m -XX:PermSize=32m 
-XX:MaxPermSize=160m -jar 
/Users/dr2chase/work/jdk8tl/build/macosx-x86_64/../macosx-x86_64-debug/btjars/buildmetaindex.jar
 \
                -o meta-index *.jar
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String 
index out of range: -7
        at java.lang.String.substring(String.java:1958)
        at 
build.tools.buildmetaindex.JarMetaIndex.isPrefixKnown(BuildMetaIndex.java:317)
        at 
build.tools.buildmetaindex.JarMetaIndex.getMetaIndex(BuildMetaIndex.java:233)
        at 
build.tools.buildmetaindex.BuildMetaIndex.main(BuildMetaIndex.java:97)

I did some snooping, and this was the problem:

firstSlashIndex = 5, name = javax/.DS_Store

I.E. I must have visited a directory in the Finder or some such, and it created 
a .DS_Store file for me.
Joy.

And it turns out, using the usual command for getting rid of them, that they 
are getting recreated again, very quickly.

find . -name .DS_Store -exec rm '{}' \;
find . -name .DS_Store -print

the second command would find things to print.

I closed all my finder and spotlight windows, deleted again, and it stayed 
deleted, and my build succeeded.
I think this also explains mystery failures (directory not empty) in various 
attempts at make clean.
I plan to look into a "solution" that redirects .DS_Store files into a separate 
directory:

http://asepsis.binaryage.com/#about

Just a heads up.  I'm not sure whether it makes sense to harden the build 
against this or not; it seems like a royal pain.

David


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