Eclipse Amazon Q plugin (1.70.0) shows blank screen on Eclipse 2026-06 (4.40.0)

[sudhanshoosarage]

Describe the bug
Eclipse Amazon Q plugin is throwing this error :

java.nio.file.InvalidPathException: Invalid PathInContext: /amazonq-ui.js
at org.eclipse.jetty.http.content.ResourceHttpContentFactory.getContent(ResourceHttpContentFactory.java:68)
at org.eclipse.jetty.http.content.FileMappingHttpContentFactory.getContent(FileMappingHttpContentFactory.java:77)
at org.eclipse.jetty.http.content.VirtualHttpContentFactory.getContent(VirtualHttpContentFactory.java:73)
at org.eclipse.jetty.http.content.PreCompressedHttpContentFactory.getContent(PreCompressedHttpContentFactory.java:56)
at org.eclipse.jetty.http.content.CachingHttpContentFactory.getContent(CachingHttpContentFactory.java:256)
at org.eclipse.jetty.server.ResourceService.getContent(ResourceService.java:90)
at org.eclipse.jetty.server.handler.ResourceHandler.handle(ResourceHandler.java:192)
at org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1250)
at org.eclipse.jetty.server.Server.handle(Server.java:197)
at org.eclipse.jetty.server.internal.HttpChannelState$HandlerInvoker.run(HttpChannelState.java:793)
at org.eclipse.jetty.server.internal.HttpConnection.onFillable(HttpConnection.java:419)
at org.eclipse.jetty.server.internal.HttpConnection$FillableCallback.succeeded(HttpConnection.java:1780)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:54)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:492)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.pcRunTask(AdaptiveExecutionStrategy.java:414)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:398)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:255)
at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.produce(AdaptiveExecutionStrategy.java:196)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:1009)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1240)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1194)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.nio.file.InvalidPathException: Illegal char <:> at index 2: /C:/Users/sxs09221/eclipse-workspace/.metadata/.plugins/amazon-q-eclipse/lsp/AmazonQAgentic/1.70.0/clients/amazonq-ui.js
at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:204)
at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:175)
at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:231)
at java.base/java.nio.file.Path.resolve(Path.java:516)
at org.eclipse.jetty.util.resource.PathResource.resolveSchemeSpecificPath(PathResource.java:315)
at org.eclipse.jetty.util.resource.PathResource.resolve(PathResource.java:296)
at org.eclipse.jetty.http.content.ResourceHttpContentFactory.resolve(ResourceHttpContentFactory.java:82)
at org.eclipse.jetty.http.content.ResourceHttpContentFactory.getContent(ResourceHttpContentFactory.java:54)
... 22 more

To Reproduce
Amazon q shows blank screen

Screenshots

Your Environment:

• OS: Windows 11
• Eclipse product (EE, C++, etc):
  Eclipse IDE for Enterprise Java and Web Developers (includes Incubating components)
• Eclipse product version:
  Version: 2026-06 (4.40.0)
  Build id: 20260604-0653
• Amazon Q for Eclipse plugin version: