我很长时间以来一直在使用PDI，同时打开以前曾经可以正常工作的同一文件，现在在打开后立即显示以下错误：
java.lang.NullPointerException
at org.pentaho.di.ui.spoon.TransFileListener.open(TransFileListener.java:112)
at org.pentaho.di.ui.spoon.Spoon.openFile(Spoon.java:4623)
at org.pentaho.di.ui.spoon.Spoon$2.drop(Spoon.java:976)
at org.eclipse.swt.dnd.DNDListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.notifyListeners(Unknown Source)
at org.eclipse.swt.dnd.DropTarget.Drop(Unknown Source)
at org.eclipse.swt.dnd.DropTarget.Drop_64(Unknown Source)
at org.eclipse.swt.dnd.DropTarget$3.method6(Unknown Source)
at org.eclipse.swt.internal.ole.win32.COMObject.callback6(Unknown Source)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1359)
at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7990)
at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9290)
at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:685)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
同一文件在其他计算机中完全打开并且完全正常。在Spoon调试日志中，出现以下错误：
Unable to update instance pid: null
ERROR: Error creating bundle cache. (java.lang.Exception: Unable to lock bundle cache: java.nio.channels.OverlappingFileLockException)
java.lang.Exception: Unable to lock bundle cache: java.nio.channels.OverlappingFileLockException
at org.apache.felix.framework.cache.BundleCache.<init>(BundleCache.java:176)
at org.apache.felix.framework.Felix.init(Felix.java:648)
at org.apache.karaf.main.Main.launch(Main.java:232)
at org.pentaho.platform.osgi.KarafBoot$4.run(KarafBoot.java:239)
at java.lang.Thread.run(Thread.java:748)
at org.pentaho.platform.osgi.KarafBoot.startup(KarafBoot.java:247)
at org.pentaho.di.osgi.registryExtension.OSGIPluginRegistryExtension.init(OSGIPluginRegistryExtension.java:105)
at org.pentaho.di.core.plugins.PluginRegistry.init(PluginRegistry.java:558)
at org.pentaho.di.core.KettleClientEnvironment.init(KettleClientEnvironment.java:101)
at org.pentaho.di.core.KettleEnvironment.init(KettleEnvironment.java:96)
at org.pentaho.di.core.KettleEnvironment.init(KettleEnvironment.java:74)
at org.pentaho.di.ui.spoon.Spoon$1.call(Spoon.java:617)
at org.pentaho.di.ui.spoon.Spoon$1.call(Spoon.java:609)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
17:30:45,214 ERROR [KarafBoot] Error starting Karaf
org.osgi.framework.BundleException: Error creating bundle cache.
at org.apache.felix.framework.Felix.init(Felix.java:653)
at org.apache.karaf.main.Main.launch(Main.java:232)
at org.pentaho.platform.osgi.KarafBoot$4.run(KarafBoot.java:239)
at java.lang.Thread.run(Thread.java:748)
at org.pentaho.platform.osgi.KarafBoot.startup(KarafBoot.java:247)
at org.pentaho.di.osgi.registryExtension.OSGIPluginRegistryExtension.init(OSGIPluginRegistryExtension.java:105)
at org.pentaho.di.core.plugins.PluginRegistry.init(PluginRegistry.java:558)
at org.pentaho.di.core.KettleClientEnvironment.init(KettleClientEnvironment.java:101)
at org.pentaho.di.core.KettleEnvironment.init(KettleEnvironment.java:96)
at org.pentaho.di.core.KettleEnvironment.init(KettleEnvironment.java:74)
at org.pentaho.di.ui.spoon.Spoon$1.call(Spoon.java:617)
at org.pentaho.di.ui.spoon.Spoon$1.call(Spoon.java:609)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.Exception: Unable to lock bundle cache: java.nio.channels.OverlappingFileLockException
at org.apache.felix.framework.cache.BundleCache.<init>(BundleCache.java:176)
at org.apache.felix.framework.Felix.init(Felix.java:648)
... 15 more
17:32:39,344 ERROR [KarafLifecycleListener] The Kettle Karaf Lifecycle Listener failed to execute properly after waiting for 100 seconds. Releasing lifecycle hold, but some services may be unavailable.
2019/12/17 17:32:47 - Spoon - Logging is at level : Debug
[Fatal Error] :1:1: Content is not allowed in prolog.
2019/12/17 17:34:25 - General - ERROR (version 7.0.0.0-25, build 1 from 2016-11-05 15.35.36 by buildguy) : There was an error while reading the shared objects (continuing load) : org.pentaho.di.core.exception.KettleXMLException:
2019/12/17 17:34:25 - General - Unexpected problem reading shared objects from XML file : null
2019/12/17 17:34:25 - General -
2019/12/17 17:34:25 - General - Error reading information from input stream
2019/12/17 17:34:25 - General - Content is not allowed in prolog.
2019/12/17 17:34:25 - General - ERROR (version 7.0.0.0-25, build 1 from 2016-11-05 15.35.36 by buildguy) : org.pentaho.di.core.exception.KettleXMLException:
2019/12/17 17:34:25 - General - Unexpected problem reading shared objects from XML file : null
2019/12/17 17:34:25 - General -
2019/12/17 17:34:25 - General - Error reading information from input stream
2019/12/17 17:34:25 - General - Content is not allowed in prolog.
2019/12/17 17:34:25 - General -
2019/12/17 17:34:25 - General -
2019/12/17 17:34:25 - General - at org.pentaho.di.shared.SharedObjects.<init>(SharedObjects.java:186)
2019/12/17 17:34:25 - General - at org.pentaho.di.trans.TransMeta.readSharedObjects(TransMeta.java:3420)
2019/12/17 17:34:25 - General - at org.pentaho.di.trans.TransMeta.loadXML(TransMeta.java:2935)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.TransFileListener.open(TransFileListener.java:61)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.Spoon.openFile(Spoon.java:4623)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.Spoon$2.drop(Spoon.java:976)
2019/12/17 17:34:25 - General - at org.eclipse.swt.dnd.DNDListener.handleEvent(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.Widget.notifyListeners(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.dnd.DropTarget.Drop(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.dnd.DropTarget.Drop_64(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.dnd.DropTarget$3.method6(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.internal.ole.win32.COMObject.callback6(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
2019/12/17 17:34:25 - General - at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
2019/12/17 17:34:25 - General - at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1359)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7990)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9290)
2019/12/17 17:34:25 - General - at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:685)
2019/12/17 17:34:25 - General - at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2019/12/17 17:34:25 - General - at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2019/12/17 17:34:25 - General - at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2019/12/17 17:34:25 - General - at java.lang.reflect.Method.invoke(Method.java:498)
2019/12/17 17:34:25 - General - at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
2019/12/17 17:34:25 - General - Caused by: org.pentaho.di.core.exception.KettleXMLException:
2019/12/17 17:34:25 - General - Error reading information from input stream
2019/12/17 17:34:25 - General - Content is not allowed in prolog.
2019/12/17 17:34:25 - General -
2019/12/17 17:34:25 - General - at org.pentaho.di.core.xml.XMLHandler.loadXMLFile(XMLHandler.java:635)
2019/12/17 17:34:25 - General - at org.pentaho.di.core.xml.XMLHandler.loadXMLFile(XMLHandler.java:559)
2019/12/17 17:34:25 - General - at org.pentaho.di.core.xml.XMLHandler.loadXMLFile(XMLHandler.java:540)
2019/12/17 17:34:25 - General - at org.pentaho.di.shared.SharedObjects.<init>(SharedObjects.java:112)
2019/12/17 17:34:25 - General - ... 28 more
2019/12/17 17:34:25 - General - Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
2019/12/17 17:34:25 - General - at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
2019/12/17 17:34:25 - General - at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
2019/12/17 17:34:25 - General - at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
2019/12/17 17:34:25 - General - at org.pentaho.di.core.xml.XMLHandler.loadXMLFile(XMLHandler.java:612)
2019/12/17 17:34:25 - General - ... 31 more
[Fatal Error] :1:1: Content is not allowed in prolog.
2019/12/17 17:34:26 - Spoon - ERROR (version 7.0.0.0-25, build 1 from 2016-11-05 15.35.36 by buildguy) : An unexpected error occurred in Spoon:
2019/12/17 17:34:26 - Spoon - null
我尝试卸载并重新安装PDI，但是没有用。还尝试清除pentaho_data_integration_dir \ data-integration \ system \ karaf \ caches中的缓存。
请帮助。谢谢。