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https://issues.apache.org/jira/browse/YOKO-360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Rick McGuire closed YOKO-360.
-----------------------------
Resolution: Fixed
Fix Version/s: v1.0.0
Committed revision 533053.
Thank you for the patch Sergey. I love a solution that's simpler and easier to
understand than the original.
> java.lang.Error: cannot find computeSerialVersionUID method when running
> Caucho Resin AppServer on Harmony
> ----------------------------------------------------------------------------------------------------------
>
> Key: YOKO-360
> URL: https://issues.apache.org/jira/browse/YOKO-360
> Project: Yoko - CORBA Server
> Issue Type: Bug
> Components: RMI-IIOP
> Affects Versions: Incubation
> Reporter: Sergey Salishev
> Fix For: v1.0.0
>
>
> java.lang.Error: cannot find computeSerialVersionUID method
> at
> org.apache.yoko.rmi.impl.ValueDescriptor$1.run(ValueDescriptor.java:158)
> at
> java.security.AccessController.doPrivilegedImpl(AccessController.java:171)
> at
> java.security.AccessController.doPrivileged(AccessController.java:53)
> at
> org.apache.yoko.rmi.impl.ValueDescriptor.getSerialVersionUID(ValueDescriptor.java:138)
>
> at
> org.apache.yoko.rmi.impl.ValueDescriptor.getRepositoryID(ValueDescriptor.java:109)
>
> at
> org.apache.yoko.rmi.impl.TypeRepository.init(TypeRepository.java:81)
> at
> org.apache.yoko.rmi.impl.TypeRepository.<init>(TypeRepository.java:45)
> at
> org.apache.yoko.rmi.impl.RMIState.getTypeRepository(RMIState.java:63)
> at
> org.apache.yoko.rmi.impl.RMIState.createValueHandler(RMIState.java:146)
> at
> org.apache.yoko.rmi.impl.UtilImpl.createValueHandler(UtilImpl.java:450)
> at javax.rmi.CORBA.Util.createValueHandler(Util.java:61)
> at
> com.caucho.iiop.any.TypeCodeFactory.<clinit>(TypeCodeFactory.java:40)
> at com.caucho.iiop.orb.ORBImpl.<init>(ORBImpl.java:57)
> at
> com.caucho.loader.EnvironmentClassLoader.initializeEnvironment(EnvironmentClassLoader.java:567)
>
> at
> com.caucho.loader.EnvironmentClassLoader.init(EnvironmentClassLoader.java:161)
>
> at
> com.caucho.loader.ClassLoaderConfig.init(ClassLoaderConfig.java:164)
> at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
> at java.lang.reflect.Method.invoke(Method.java:381)
> at
> com.caucho.config.j2ee.PostConstructProgram.configureImpl(PostConstructProgram.java:62)
>
> at com.caucho.config.BeanTypeStrategy.init(BeanTypeStrategy.java:355)
> at com.caucho.config.NodeBuilder.configureImpl(NodeBuilder.java:253)
> at
> com.caucho.config.EnvironmentAttributeStrategy.configure(EnvironmentAttributeStrategy.java:60)
>
> at
> com.caucho.config.NodeBuilder.configureAttributeImpl(NodeBuilder.java:390)
> at
> com.caucho.config.NodeBuilder.configureBeanImpl(NodeBuilder.java:329)
> at
> com.caucho.config.TypeStrategy.configureBean(TypeStrategy.java:104)
> at
> com.caucho.config.BeanTypeStrategy.configureBean(BeanTypeStrategy.java:257)
> at
> com.caucho.config.EnvironmentTypeStrategy.configureBean(EnvironmentTypeStrategy.java:65)
>
> at com.caucho.config.NodeBuilder.configureImpl(NodeBuilder.java:251)
> at com.caucho.config.NodeBuilder.configure(NodeBuilder.java:160)
> at com.caucho.config.Config.configure(Config.java:232)
> at com.caucho.config.Config.configure(Config.java:176)
> at com.caucho.boot.ResinBoot.<init>(ResinBoot.java:134)
> at com.caucho.boot.ResinBoot.main(ResinBoot.java:397)
> at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
> at java.lang.reflect.Method.invoke(Method.java:381)
> at org.apache.harmony.vm.JarRunner.main(JarRunner.java:80)
> Caused by: java.lang.NoSuchMethodException:
> computeDefaultSUID(java.lang.Class)
> at java.lang.Class.findMatchingMethod(Class.java:802)
> at java.lang.Class.getDeclaredMethod(Class.java:429)
> at
> org.apache.yoko.rmi.impl.ValueDescriptor$1.run(ValueDescriptor.java:149)
> at
> java.security.AccessController.doPrivilegedImpl(AccessController.java:171)
> This failure occurs as Yoko depends on private
> java.lang.Class.computeSerialVersionUID method which is of course not present
> in Harmony.
> The org.apache.yoko.rmi.impl.ValueDescriptor.getSerialVersionUID code looks
> very strange as some sort of hacky performance optimization. I've made simple
> patch which fixes the problem by removing all the suspicious code.
> Index: rmi-impl/src/main/java/org/apache/yoko/rmi/impl/ValueDescriptor.java
> ===================================================================
> --- rmi-impl/src/main/java/org/apache/yoko/rmi/impl/ValueDescriptor.java
> (revision 532714)
> +++ rmi-impl/src/main/java/org/apache/yoko/rmi/impl/ValueDescriptor.java
> (working copy)
> @@ -122,8 +122,6 @@
> return _repid;
> }
>
> - static java.lang.reflect.Method computeSerialVersionUID_method = null;
> -
> long getSerialVersionUID() {
> if (_serial_version_uid_field != null) {
>
> @@ -134,55 +132,10 @@
> }
> }
>
> - if (computeSerialVersionUID_method == null) {
> - java.security.AccessController
> - .doPrivileged(new java.security.PrivilegedAction() {
> - public Object run() {
> + java.io.ObjectStreamClass serialForm =
> java.io.ObjectStreamClass.lookup(getJavaClass());
> +
> + return serialForm != null ? serialForm.getSerialVersionUID() : 0L;
>
> - try {
> - try {
> - computeSerialVersionUID_method =
> java.io.ObjectStreamClass.class
> - .getDeclaredMethod(
> -
> "computeSerialVersionUID",
> - new Class[] {
> Class.class });
> - } catch (Exception ex) {
> - computeSerialVersionUID_method =
> java.io.ObjectStreamClass.class
> - .getDeclaredMethod(
> - "computeDefaultSUID",
> - new Class[] {
> Class.class });
> - }
> - computeSerialVersionUID_method
> - .setAccessible(true);
> -
> - } catch (Exception ex) {
> - throw new Error(
> - "cannot find computeSerialVersionUID
> method",
> - ex);
> - }
> -
> - return null;
> - }
> - });
> - }
> -
> - try {
> - if (computeSerialVersionUID_method != null) {
> - Long result = (Long) computeSerialVersionUID_method.invoke(
> - null, new Object[] { getJavaClass() });
> -
> - return result.longValue();
> - }
> -
> - return java.io.ObjectStreamClass.lookup(getJavaClass())
> - .getSerialVersionUID();
> -
> - } catch (Throwable ex) {
> - logger.finer("Cannot compute serial version UID. "
> - + "This may be because you're running "
> - + "the Apache Yoko RMI on a JVM which is not compatible.
> "
> - + ex);
> - return 0;
> - }
> }
>
> public void init() {
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