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https://issues.apache.org/jira/browse/SLING-1809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bertrand Delacretaz updated SLING-1809:
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Summary: Eclipse compiler used in commons.compiler causes "Illegal type in
constant pool" with enums (was: Eclipse compiler used commons.compiler causes
"Illegal type in constant pool" with enums)
> Eclipse compiler used in commons.compiler causes "Illegal type in constant
> pool" with enums
> -------------------------------------------------------------------------------------------
>
> Key: SLING-1809
> URL: https://issues.apache.org/jira/browse/SLING-1809
> Project: Sling
> Issue Type: Bug
> Components: Commons
> Affects Versions: Commons Compiler 2.0.0
> Reporter: Bertrand Delacretaz
>
> According to [0] the eclipse compiler can't handle enums in certain
> environments.
> The trunk org.apache.sling.commons.compiler bundle embeds (eclipse-jdt)
> core-3.3.0-v_771.jar which exposes this issue.
> According to [0] the issue should be fixed in v3.5.2, but the central Maven
> repository does not provide a more recent version than the one we currently
> use.
> To reproduce the problem, install the compiler and java scripting bundle and
> create a scripted java servlet that uses enums (example below), at runtime
> this causes:
> java.lang.VerifyError:
> (class: enumtest/EnumTest, method: valueOf signature:
> (Ljava/lang/String;)Lenumtest/EnumTest;)
> Illegal type in constant pool
> [0] https://bugs.eclipse.org/bugs/show_bug.cgi?id=291985
> Here's the example servlet, store in
> /apps/JavaScriptingTest2/JavaScriptingTest2.java and use "JavaScriptingTest2"
> resource type:
> package apps.JavaScriptingTest2;
> import javax.servlet.http.*;
> import java.io.IOException;
> public class JavaScriptingTest2 extends HttpServlet {
> static enum EnumTest { FOO, BAR };
>
> public void doGet(HttpServletRequest req, HttpServletResponse resp)
> throws IOException {
> resp.getWriter().write("FOO=" + EnumTest.FOO);
> }
> }
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