[英]how to find classpath in project written in netbeans to use in jpype
我有一個公開課Stm:
package stm;
import zemberek.morphology.apps.TurkishMorphParser;
import zemberek.morphology.parser.MorphParse;
import java.io.IOException;
import java.util.List;
public class Stm {
TurkishMorphParser parser;
public Stm(TurkishMorphParser parser) {
this.parser = parser;
}
public void do_stm(String word) {
System.out.println("Word = " + word);
List<MorphParse> parses = parser.parse(word);
for (MorphParse parse : parses) {
System.out.println(parse.getStems());
}
}
public static void main(String[] args) throws IOException {
TurkishMorphParser parser = TurkishMorphParser.createWithDefaults();
new Stm(parser).do_stm("ankaraya");
}
}
和aa.py如下:
import jpype
from jpype import *
import os
classpath = "/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/antlr-4.2.2-complete.jar:/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/guava-15.0.jar:/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/zemberek-core-0.9.0.jar:/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/zemberek-lm-0.9.0.jar:/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/zemberek-morphology-0.9.0.jar:/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/zemberek-tokenization-0.9.0-2.jar:/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/build/classes/stm/"
startJVM(getDefaultJVMPath(), "-ea", "-Djava.class.path=%s" % classpath)
A = JClass('Stm')
a = A()
jpype.shutdownJVM()
運行aa.py,出現此錯誤:
Traceback (most recent call last):
File "aa.py", line 15, in <module>
A = JClass('Stm')
File "/usr/lib/python2.7/dist-packages/jpype/_jclass.py", line 54, in JClass
raise _RUNTIMEEXCEPTION.PYEXC("Class %s not found" % name)
jpype._jexception.ExceptionPyRaisable: java.lang.Exception: Class Stm not found
我可以在python中調用普通類,但是在用導入的jar文件用netbeans編寫的項目中有問題。 jar文件位於
/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/jars/
我知道問題出在classpath上! 考慮到我使用的jar文件,我應該如何填充類路徑部分????????????
類路徑上的最后一個條目應該是/home/jeren/Desktop/Project/TweetParse/Parse_Tweets/stm/build/classes
並且您需要創建類似A = JClass('stm.Stm')
。 也許看看如何將類安排到包中。 例如http://docs.oracle.com/javase/tutorial/java/package/packages.html
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