was8.5.5安装应用程序时报错，希望解答

logs如下：（描述，在was里有多个应用程序，其中的一个应用程序和was安装目录（plugins）里的com.ibm.ws.prereq.jackson.jar包冲突，删除了，但是另一个应用没有这个包时就报如下的错误，求解决方案！！！！）
[14-11-18 15:47:28:423 CST] 00000083 ServletWrappe I com.ibm.ws.webcontainer.servlet.ServletWrapper init SRVE0242I: [rest-services_war] [/rest-services] [restSdkService]: 初始化成功。
[14-11-18 15:47:28:463 CST] 00000083 SystemOut     O [WebContainer : 0] INFO org.apache.wink.server.internal.RequestProcessor - The following error occurred during the invocation of the handlers chain: NullPointerException with message 'null' while processing GET request sent to http://localhost:9080/rest-services/rest
[14-11-18 15:47:28:467 CST] 00000083 SystemOut     O [WebContainer : 0] ERROR org.apache.wink.server.internal.RequestProcessor - An unhandled exception occurred which will be propagated to the container.
java.lang.NullPointerException

at org.apache.wink.common.internal.http.Accept.valueOf(Accept.java:139)

at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptHeader(HttpHeadersImpl.java:152)

at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptableMediaTypes(HttpHeadersImpl.java:106)

at org.apache.wink.server.internal.registry.ResourceRegistry.filterByProduces(ResourceRegistry.java:558)

at org.apache.wink.server.internal.registry.ResourceRegistry.filterDispatchMethods(ResourceRegistry.java:482)

at org.apache.wink.server.internal.registry.ResourceRegistry.findMethod(ResourceRegistry.java:359)

at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleResourceMethod(FindResourceMethodHandler.java:138)

at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleRequest(FindResourceMethodHandler.java:65)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.FindRootResourceHandler.handleRequest(FindRootResourceHandler.java:95)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleRequest(HeadMethodHandler.java:53)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.OptionsMethodHandler.handleRequest(OptionsMethodHandler.java:46)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.SearchResultHandler.handleRequest(SearchResultHandler.java:33)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.log.ResourceInvocation.handleRequest(ResourceInvocation.java:92)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.log.Requests.handleRequest(Requests.java:76)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)

at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:207)

at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)

at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)

at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)

at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1071)

at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3878)

at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)

at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:981)

at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)

at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:461)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:528)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:314)

at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)

at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)

at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)

at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)

at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)

at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)

at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1864)
[14-11-18 15:47:28:468 CST] 00000083 ServletWrappe E com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0068E: 应用程序 [rest-services_war] 中 servlet [restSdkService] 的其中一个服务方法抛出异常。创建的异常：[java.lang.NullPointerException

at org.apache.wink.common.internal.http.Accept.valueOf(Accept.java:139)

at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptHeader(HttpHeadersImpl.java:152)

at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptableMediaTypes(HttpHeadersImpl.java:106)

at org.apache.wink.server.internal.registry.ResourceRegistry.filterByProduces(ResourceRegistry.java:558)

at org.apache.wink.server.internal.registry.ResourceRegistry.filterDispatchMethods(ResourceRegistry.java:482)

at org.apache.wink.server.internal.registry.ResourceRegistry.findMethod(ResourceRegistry.java:359)

at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleResourceMethod(FindResourceMethodHandler.java:138)

at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleRequest(FindResourceMethodHandler.java:65)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.FindRootResourceHandler.handleRequest(FindRootResourceHandler.java:95)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleRequest(HeadMethodHandler.java:53)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.OptionsMethodHandler.handleRequest(OptionsMethodHandler.java:46)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.SearchResultHandler.handleRequest(SearchResultHandler.java:33)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.log.ResourceInvocation.handleRequest(ResourceInvocation.java:92)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.log.Requests.handleRequest(Requests.java:76)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)

at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:207)

at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)

at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)

at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)

at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1071)

at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3878)

at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)

at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:981)

at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)

at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:461)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:528)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:314)

at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)

at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)

at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)

at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)

at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)

at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)

at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1864)
]
[14-11-18 15:47:28:487 CST] 00000083 FfdcProvider  W com.ibm.ws.ffdc.impl.FfdcProvider logIncident FFDC1003I: FFDC 事件发生于 D:IBMSoftwareIBMWebSphereAppServerprofilesAppSrv01logsffdcserver1_9c91464e_14.11.18_15.47.28.4698114510268984057891.txt com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters -RE 1123
[14-11-18 15:47:28:487 CST] 00000083 LocalTranCoor E   WLTC0017E: 资源回滚，因为调用 setRollbackOnly()。
[14-11-18 15:47:28:490 CST] 00000083 webapp        E com.ibm.ws.webcontainer.webapp.WebApp logServletError SRVE0293E: [Servlet 错误]-[restSdkService]: java.lang.NullPointerException

at org.apache.wink.common.internal.http.Accept.valueOf(Accept.java:139)

at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptHeader(HttpHeadersImpl.java:152)

at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptableMediaTypes(HttpHeadersImpl.java:106)

at org.apache.wink.server.internal.registry.ResourceRegistry.filterByProduces(ResourceRegistry.java:558)

at org.apache.wink.server.internal.registry.ResourceRegistry.filterDispatchMethods(ResourceRegistry.java:482)

at org.apache.wink.server.internal.registry.ResourceRegistry.findMethod(ResourceRegistry.java:359)

at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleResourceMethod(FindResourceMethodHandler.java:138)

at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleRequest(FindResourceMethodHandler.java:65)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.FindRootResourceHandler.handleRequest(FindRootResourceHandler.java:95)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleRequest(HeadMethodHandler.java:53)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.OptionsMethodHandler.handleRequest(OptionsMethodHandler.java:46)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.handlers.SearchResultHandler.handleRequest(SearchResultHandler.java:33)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.log.ResourceInvocation.handleRequest(ResourceInvocation.java:92)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.internal.log.Requests.handleRequest(Requests.java:76)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26)

at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22)

at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63)

at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48)

at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:207)

at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154)

at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)

at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)

at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1071)

at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3878)

at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)

at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:981)

at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)

at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:461)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:528)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:314)

at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)

at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)

at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)

at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)

at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)

at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)

at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1864)收起