我試圖建立我jwrapper應用程序沒有Java 7的任何地方,而且它失敗Jwrapper失敗,壞類版本對Java 7 invokedynamic當在望
WARNING: Error on output: java.io.IOException: bad class major version for Java 7 invokedynamic
**********************************
* BUILD FAILED *
**********************************
** Error Trace:
java.io.IOException: bad class major version for Java 7 invokedynamic
at com.sun.java.util.jar.pack.PackageWriter.writeByteCodes(PackageWriter.java:1657)
at com.sun.java.util.jar.pack.PackageWriter.writeMembers(PackageWriter.java:1227)
at com.sun.java.util.jar.pack.PackageWriter.writeClassesAndByteCodes(PackageWriter.java:1202)
at com.sun.java.util.jar.pack.PackageWriter.write(PackageWriter.java:79)
at com.sun.java.util.jar.pack.PackerImpl$DoPack.flushPackage(PackerImpl.java:602)
at com.sun.java.util.jar.pack.PackerImpl$DoPack.flushAll(PackerImpl.java:556)
at com.sun.java.util.jar.pack.PackerImpl$DoPack.run(PackerImpl.java:492)
at com.sun.java.util.jar.pack.PackerImpl.pack(PackerImpl.java:98)
at jwrapper.pack200.Pack200Compressor.compressFileToOutputStream(Pack200Compressor.java:225)
at jwrapper.archive.Archive.addFileToStream(Archive.java:422)
at jwrapper.archive.Archive.addFile(Archive.java:159)
at jwrapper.archive.Archive.addFile(Archive.java:103)
at jwrapper.archive.LaunchableArchive.addFile(LaunchableArchive.java:43)
at jwrapper.archive.LaunchableArchive.addFile(LaunchableArchive.java:29)
at jwrapper.JWrapperCompiler.main(JWrapperCompiler.java:2827)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at SecureRunner2.<init>(SecureRunner2.java:452)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at SecureRunner1.<init>(SecureRunner1.java:410)
at SecureRunner1.<init>(SecureRunner1.java:227)
at SecureRunner1.main(SecureRunner1.java:52)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
它用來建立,沒有任何問題,在所有,沒有任何改變(不是jwrapper.xml文件,如果這會有幫助,可以附加jwrapper.xml文件,也不需要java版本jdk1.8.0_31,甚至是包裝代碼!)。我感到困惑的是(我是用invokedynamic,java 7,jwrapper等以及它們的各種組合)搜索的,是Java 7甚至涉及到的。我在系統上沒有Java 7的實例 - 我正在打包1.8.0_31 JRE,並且正在使用jdk1.8.0_31來運行該進程。
對Java 7的引用是因爲'invokedynamic'指令已添加到Java 7中的JVM中。所以它看起來像代碼使用'invokedynamic',但類文件版本是Java 6或更早版本(所以主版本是錯的)。 – 2015-02-24 17:47:01
如果您發佈了包含您評論的答案,我會很高興地接受它,因爲您的評論讓我走上了正確的軌道。 – 2015-02-24 18:13:41