我正在尝试将新的JasperSoft Studio 版本 5.5连接到我的JasperReports Server 4.5.0的存储库。输入所有详细信息并单击测试后，我会看到以下Nullpointer Exception：
AxisFault faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException faultSubcode: faultString:
java.lang.NullPointerException faultActor: faultNode: faultDetail:
{http://xml.apache.org/axis/}stackTrace:java.lang.NullPointerException at
org.apache.axis.transport.http.CommonsHTTPSender.invoke(CommonsHTTPSender.java:193) at
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at
org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) at
org.apache.axis.client.AxisClient.invoke(AxisClient.java:165) at org.apache.axis.client.Call.invokeEngine(Call.java:2784) at
org.apache.axis.client.Call.invoke(Call.java:2767) at org.apache.axis.client.Call.invoke(Call.java:2443) at
org.apache.axis.client.Call.invoke(Call.java:2366) at org.apache.axis.client.Call.invoke(Call.java:1812) at
com.jaspersoft.ireport.jasperserver.ws.RepositorySoapBindingStub.list(RepositorySoapBindingStub.java:339) at
com.jaspersoft.ireport.jasperserver.ws.WSClient.getVersion(WSClient.java:155) at
com.jaspersoft.studio.server.protocol.soap.SoapConnection.getServerInfo(SoapConnection.java:29) at
com.jaspersoft.studio.server.protocol.soap.SoapConnection.connect(SoapConnection.java:39) at
com.jaspersoft.studio.server.protocol.ProxyConnection.connect(ProxyConnection.java:24) at
com.jaspersoft.studio.server.WSClientHelper.connect(WSClientHelper.java:63) at
com.jaspersoft.studio.server.WSClientHelper.connectGetData(WSClientHelper.java:87) at
com.jaspersoft.studio.server.ServerProvider.listServer(ServerProvider.java:329) at
com.jaspersoft.studio.server.ServerProvider.access$0(ServerProvider.java:325) at
com.jaspersoft.studio.server.ServerProvider$1.run(ServerProvider.java:278) at
org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) {http://xml.apache.org/axis/}hostname:MtwAtr1
java.lang.NullPointerException at org.apache.axis.AxisFault.makeFault(AxisFault.java:101) at
org.apache.axis.transport.http.CommonsHTTPSender.invoke(CommonsHTTPSender.java:315) at
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at
org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) at
org.apache.axis.client.AxisClient.invoke(AxisClient.java:165) at org.apache.axis.client.Call.invokeEngine(Call.java:2784) at
org.apache.axis.client.Call.invoke(Call.java:2767) at org.apache.axis.client.Call.invoke(Call.java:2443) at
org.apache.axis.client.Call.invoke(Call.java:2366) at org.apache.axis.client.Call.invoke(Call.java:1812) at
com.jaspersoft.ireport.jasperserver.ws.RepositorySoapBindingStub.list(RepositorySoapBindingStub.java:339) at
com.jaspersoft.ireport.jasperserver.ws.WSClient.getVersion(WSClient.java:155) at
com.jaspersoft.studio.server.protocol.soap.SoapConnection.getServerInfo(SoapConnection.java:29) at
com.jaspersoft.studio.server.protocol.soap.SoapConnection.connect(SoapConnection.java:39) at
com.jaspersoft.studio.server.protocol.ProxyConnection.connect(ProxyConnection.java:24) at
com.jaspersoft.studio.server.WSClientHelper.connect(WSClientHelper.java:63) at
com.jaspersoft.studio.server.WSClientHelper.connectGetData(WSClientHelper.java:87) at
com.jaspersoft.studio.server.ServerProvider.listServer(ServerProvider.java:329) at
com.jaspersoft.studio.server.ServerProvider.access$0(ServerProvider.java:325) at
com.jaspersoft.studio.server.ServerProvider$1.run(ServerProvider.java:278) at
org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)Caused by: java.lang.NullPointerException at
org.apache.axis.transport.http.CommonsHTTPSender.invoke(CommonsHTTPSender.java:193) ... 20 more
有谁知道这是版本兼容性错误还是只是我需要编辑才能连接的文件。
PS 我已经设法让Jaspersoft Studio连接到我的JR 服务器 5.2.0 版，没有任何错误。