我正在开发一个执行的应用程序Jython 2.5.3脚本来自JAVA 1.6.027。该脚本只是使用编解码器库打开一个文件,如下所示:
try:
from codecs import open as codecs_open
except ImportError:
print 'ERROR', 'Could not import.'
CODECS_LIST = ['latin-1', 'utf-8', 'utf-16', '1250', '1252']
def open_file(filename, mode):
'''
DOC
'''
for encoding in CODECS_LIST:
try:
f = codecs_open(filename, mode, encoding)
f.read()
f.close()
print 'INFO', "File %s supports encoding %s." % (filename.split("\\")[-1], encoding)
...
except:
...
当我执行此脚本调试时Eclipse,一切正常,但是当我执行调用此脚本的 JAVA 应用程序部分时,出现此错误:
Exception in thread "main" java.lang.NoClassDefFoundError: Could not initialize class sun.nio.ch.FileChannelImpl
at java.io.RandomAccessFile.getChannel(RandomAccessFile.java:253)
at org.python.core.io.FileIO.fromRandomAccessFile(FileIO.java:173)
at org.python.core.io.FileIO.<init>(FileIO.java:79)
at org.python.core.io.FileIO.<init>(FileIO.java:57)
at org.python.core.PyFile.<init>(PyFile.java:135)
at org.python.core.PyTraceback.getLine(PyTraceback.java:65)
at org.python.core.PyTraceback.tracebackInfo(PyTraceback.java:38)
at org.python.core.PyTraceback.dumpStack(PyTraceback.java:109)
at org.python.core.PyTraceback.dumpStack(PyTraceback.java:120)
at org.python.core.Py.displayException(Py.java:1080)
at org.python.core.PySystemState.excepthook(PySystemState.java:1242)
at org.python.core.PySystemStateFunctions.__call__(PySystemState.java:1421)
at org.python.core.Py.printException(Py.java:1053)
at org.python.core.Py.printException(Py.java:1012)
at org.python.util.jython.run(jython.java:264)
at org.python.util.jython.main(jython.java:129)
JAVA应用程序能够执行其他类似的jython脚本。我发现类 sun.nio.ch.FileChannelImpl位于库 rt.jar 中,该库位于/bin/常见/文件夹并包含在我的类路径 via jvm.cfg file:
...
#LIBRARY PATH
./bin/common;...
...
我对其他工作正常的库也是如此。
我已经被这个问题困扰了几天,所以任何帮助将不胜感激。
谢谢