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POError with javah when writing JNI in Scala with Java 7
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Id
10669704
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CreationDate
2012-05-19T23:52:18.970
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2012-07-29T04:43:51.443
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2012-07-29T04:43:51.443
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8
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text
Body
In java 6, I was able to use JNI in Scala just fine. I would have code like: <pre><code>package mypackage object MyClass { System.loadLibrary("myclass-native") @native def foo(): Int = sys.error("") } </code></pre> And then I'd run: <pre><code>javah -classpath target/scala-2.9.1/classes -d target/jni mypackage.MyClass$ </code></pre> And I'd get my header files just fine. In java 7, I get the following error: <pre><code>Exception in thread "main" java.lang.IllegalArgumentException: Not a valid class name: mypackage.MyClass. at com.sun.tools.javac.api.JavacTool.getTask(JavacTool.java:177) at com.sun.tools.javac.api.JavacTool.getTask(JavacTool.java:68) at com.sun.tools.javah.JavahTask.run(JavahTask.java:509) at com.sun.tools.javah.JavahTask.run(JavahTask.java:335) at com.sun.tools.javah.Main.main(Main.java:46) </code></pre> It's like javah no longer accepts dollar signs in class names, but I need to use the dollar sign in Scala to get the equivalent of a static method. For reference with java 6: <pre><code>$ java -version java version "1.6.0_29" Java(TM) SE Runtime Environment (build 1.6.0_29-b11) Java HotSpot(TM) 64-Bit Server VM (build 20.4-b02, mixed mode) $ javah -version javah version "1.6.0_29" </code></pre> With java 7: <pre><code>$ java -version java version "1.7.0_03" OpenJDK Runtime Environment (IcedTea7 2.1.1pre) (7~u3-2.1.1~pre1-1ubuntu2) OpenJDK 64-Bit Server VM (build 22.0-b10, mixed mode) $ javah -version javah version "1.7.0_03" </code></pre> Has anyone had any luck using javah for JNI with Scala in java 7? Edit Posted as a bug at <a href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7185778" rel="nofollow">http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7185778</a>
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<scala><jni>
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Error with javah when writing JNI in Scala with Java 7
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