如何通过java servlet连接到exchange web服务

我正试图通过Javaservlet使用JavaAPI连接到EWS

我已经创建了servlet，它运行良好（在控制台上设置一些打印）。还建立了从PHP到servlet的桥梁。然后，我将javaewsjar文件添加到构建路径中，从API运行了一些函数，并得到了以下堆栈跟踪错误。（我必须说，我对使用java servlet还不熟悉）

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谢谢你的帮助

您可能需要包括apachehttpcomponents核心jar。

Warning: Unchecked exception detected: 

[[o:Response$UndeclaredThrowableErrorMarker]:"FATAL: Undeclared java.lang.RuntimeException detected. java.lang.Exception: Invoke failed: [[o:Main]]->goodBye. Cause: java.lang.ClassNotFoundException: Unresolved external reference: java.lang.NoClassDefFoundError: org/apache/http/config/Lookup. -- Unable to call the method, see the README section "Java platform issues" for details and DO NOT REPORT THIS PROBLEM TO THE PHP/Java Bridge MAILING LIST! VM: 1.7.0_91@http://java.o[...]k/testphpjava/Java.inc(560): java_Client->getResult()
#4 /storage/work/testphpjava/Java.inc(1752): java_Client->invokeMethod(2, 'goodBye', Array)
#5 /storage/work/testphpjava/Java.inc(1851): java_JavaProxy->__call('goodBye', Array)
#6 /storage/work/testphpjava/Java.inc(1999): java_AbstractJava->__call('goodBye', Array)
#7 /storage/work/testphpjava/test.php(6): Java->__call('goodBye', Array)
#8 /storage/work/testphpjava/test.php(6): java_InternalJava->goodBye()
#9 {main}] in /storage/work/testphpjava/Java.inc on line 202
[[o:Response$UndeclaredThrowableErrorMarker]:"FATAL: Undeclared java.lang.RuntimeException detected. java.lang.Exception: Invoke failed: [[o:Main]]->goodBye. Cause: java.lang.ClassNotFoundException: Unresolved external reference: java.lang.NoClassDefFoundError: org/apache/http/config/Lookup. -- Unable to call the method, see the README section "Java platform issues" for details and DO NOT REPORT THIS PROBLEM TO THE PHP/Java Bridge MAILING LIST! VM: 1.7.0_91@http://java.oracle.com/" at:
#-21 php.java.bridge.JavaBridge.getUnresolvedExternalReferenceException(JavaBridge.java:422)
#-20 php.java.bridge.JavaBridge.Invoke(JavaBridge.java:1055)
#-19 php.java.bridge.Request.handleRequest(Request.java:417)
#-18 php.java.bridge.Request.handleRequests(Request.java:500)
#-17 php.java.bridge.JavaBridge.handleRequests(JavaBridge.java:150)
#-16 php.java.servlet.RemoteHttpServletContextFactory.handleRequests(RemoteHttpServletContextFactory.java:262)
#-15 ews.Main.doPut(Main.java:58)
#-14 javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
#-13 javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
#-12 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
#-11 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
#-10 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
#-9 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
#-8 org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
#-7 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
#-6 org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
#-5 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
#-4 org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
#-3 org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
#-2 org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
#-1 java.lang.Thread.run(Thread.java:745)
#0 /storage/work/testphpjava/Java.inc(232): java_ThrowExceptionProxyFactory->getProxy(3, 'ews.Main', 'F', true)
#1 /storage/work/testphpjava/Java.inc(360): java_Arg->getResult(true)
#2 /storage/work/testphpjava/Java.inc(366): java_Client->getWrappedResult(true)
#3 /storage/work/testphpjava/Java.inc(560): java_Client->getResult()
#4 /storage/work/testphpjava/Java.inc(1752): java_Client->invokeMethod(2, 'goodBye', Array)
#5 /storage/work/testphpjava/Java.inc(1851): java_JavaProxy->__call('goodBye', Array)
#6 /storage/work/testphpjava/Java.inc(1999): java_AbstractJava->__call('goodBye', Array)
#7 /storage/work/testphpjava/test.php(6): Java->__call('goodBye', Array)
#8 /storage/work/testphpjava/test.php(6): java_InternalJava->goodBye()
#9 {main}]
Fatal error: An unchecked exception occured during script execution. Please check the server log files for details. in /storage/work/testphpjava/Java.inc on line 776