8322981: Fix 2 locations in JDI that throw IOException without using …

…the "Caused by" exception

Reviewed-by: dholmes, lmesnik

src/jdk.jdi/share/classes/com/sun/tools/jdi/ProcessAttachingConnector.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -103,7 +103,7 @@ public VirtualMachine attach(Map<String,? extends Connector.Argument> args)
             Properties props = vm.getAgentProperties();
             address = props.getProperty("sun.jdwp.listenerAddress");
         } catch (Exception x) {
-            throw new IOException(x.getMessage());
+            throw new IOException(x);
         } finally {
             if (vm != null) vm.detach();
         }

src/jdk.jdi/share/classes/com/sun/tools/jdi/VirtualMachineManagerImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -226,7 +226,7 @@ public synchronized VirtualMachine createVirtualMachine(
             vm = new VirtualMachineImpl(this, connection, process,
                                                    ++vmSequenceNumber);
         } catch (VMDisconnectedException e) {
-            throw new IOException(e.getMessage());
+            throw new IOException(e);
         }
         targets.add(vm);
         return vm;