signjar Ant task no longer works after Tomcat 5.5 upgrade 2007-01-05 - By Tom Mack
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I use org.apache.jasper.JspC  to precompile my JSP files. I also use the
signjar task to sign my JARs at the end of the build process (Some of
them are served via Java Web Start). This all worked fine until I
upgraded to Tomcat 5.5.20 (from 4.1.31).
If the signing task depends on the build step, the build part will run
just fine (JSPs will be precompiled and everything else works) but the
signjar task will fail with:
[signjar] Signing JAR: C:\dev\eclipse\xxxx\lib\SqlServer.jar
[signjar] jarsigner: attempt to rename
C:\dev\eclipse\xxxx\lib\SqlServer.jar to
C:\dev\eclipse\xxxx\lib\SqlServer.jar.orig failed
(SqlServer.jar happens to be the first alphabetically of about a hundred
JARs.)
If I make the signing task not depend on the build and run each
independently (type "ant build", wait, and then type "ant sign")
everything works just fine.
After looking at all the build files, I determined that the only thing
of substance that has changed is the version of the
org.apache.jasper.JspC that is being used in the Ant taskdef.
A few other notes, all of the JARs that are being signed are copied to
that C:\dev\eclipse\xxxx\lib directory at the beginning of the build
script. But, all of the JARs in that lib directory are placed on the
classpath for the JspC task. My guess is that the new JspC is somehow
holding on to its classpath entries differently than the old one did
(although looking at the JspC code, I couldn't really convince myself
that this was the case considering they both build up the classloader
similarly).
Has anyone seen anything like this or have any ideas?
--Tom
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