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From Paul Zepernick <>
Subject Struts 2.5.x support above Java 8
Date Sat, 10 Nov 2018 00:39:18 GMT
Has anyone got Struts 2.5 to work for Java 11 or anything above Java 8?  I have a project that
I was trying to migrate to Java 11 using 2.5.18.  I have it compiling, but then ran into an
issue with the ASM library.  I am using the REST plugin, which is dependent on the convention
plugin.  The convention plugin has the dependency to ASM, and I am getting the error mentioned
in this ticket:

I have tried Java 10 with ASM 6.0 mentioned in the comments and ASM 7.0 with Java 11.  Both
produced the same IllegalArgumentException already mentioned.  A quick glance at the source
seemed to indicate that ASM changed the constructor on the class that is being called to accept
byte[] instead of InputStream.

My main goal in all of this was to try and ensure we would be running on a supported JDK as
support for 8 is about to be up.  From what I understand, no one from the Java community has
committed to back porting security patches for 8.  Would anyone be willing to share what they
are doing with Java 8 in the enterprise environment if we have to stay on it for Struts applications?
 Are you purchasing, or already have oracle support?

Paul Zepernick

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