weblogic8.15不能用ehcache吗

[heng722]

Please remove or make sure it appears in the correct subdirectory of the classpath.
import cache.ConfigCache; //[ /login.jsp; Line: 2]
^
1 error

at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:478)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:246)
at weblogic.servlet.jsp.JspStub.prepareServlet(JspStub.java:196)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:598)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:406)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:526)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:348)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6981)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)
Caused by: java.io.IOException: Compiler failed executable.exec
at weblogic.utils.compiler.CompilerInvoker.compileMaybeExit(CompilerInvoker.java:470)
at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:328)
at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:336)
at weblogic.utils.compiler.CompilerInvoker.compile(CompilerInvoker.java:321)
at weblogic.servlet.jsp.JspStub.compilePage(JspStub.java:451)
... 13 more
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为什么不能引用那个类啊？》