我正在运行一个shell脚本,它调用一个java类来从数据库获取一些数据,并用这些数据创建一个excel报告。我得到了线程错误异常“主要” java.lang.NoClassDefFoundError:组织/阿帕奇/ POI/SS时的代码打在我的Java类下面的线/的usermodel /工作簿:NoClassDefFoundError org/apache/poi/ss/usermodel/Workbook
XSSFWorkbook workbook = new XSSFWorkbook();
这是怎么了我定义类路径:
CLASSPATH=${CLASSPATH}:<path-to-jars>/poi-2.5.1-final-20040804.jar
CLASSPATH=${CLASSPATH}:<path-to-jars>/poi-ooxml-3.11.jar
我验证了的罐子已经被下载(通过gradle这个),所以想了解我是什么在这里失踪。有人可以帮助我吗?
堆栈跟踪:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/Workbook
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at com.test.ExcelReportGenerator.writeExcel(ExcelReportGenerator.java:26)
at com.test.ReportRunner.createReport(ReportRunner.java:109)
at com.test.ReportRunner.main(ReportRunner.java:93)
Caused by: java.lang.ClassNotFoundException: org.apache.poi.ss.usermodel.Workbook
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 15 more
你为什么不使用摇篮建立一个可执行的JAR文件?我不认为shell脚本需要给你的类路径 –