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IDEA-183739 java.util.NoSuchElementException on Liberty application server - better debug info

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This commit is contained in:
Egor Ushakov
2017-12-15 18:03:30 +03:00
parent 7fb1200e81
commit f9decbd37b
1 changed files with 16 additions and 6 deletions
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java/debugger/debugger-agent-storage/src/com/intellij/rt/debugger/agent/CaptureStorage.java
+16 -6
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@@ -38,11 +38,12 @@ public class CaptureStorage {
return;
}
try {
Throwable exception = new Throwable();
if (DEBUG) {
System.out.println("capture - " + key);
System.out.println("capture " + getCallerDescriptor(exception) + " - " + key);
}
Deque<InsertMatch> currentStacks = CURRENT_STACKS.get();
CapturedStack stack = createCapturedStack(new Throwable(), currentStacks.isEmpty() ? null : currentStacks.getLast());
CapturedStack stack = createCapturedStack(exception, currentStacks.isEmpty() ? null : currentStacks.getLast());
WeakKey keyRef = new WeakKey(key);
synchronized (HISTORY) {
CapturedStack old = STORAGE.put(keyRef, stack);
@@ -71,15 +72,17 @@ public class CaptureStorage {
CapturedStack stack = STORAGE.get(new WeakKey(key));
Deque<InsertMatch> currentStacks = CURRENT_STACKS.get();
if (stack != null) {
currentStacks.add(new InsertMatch(stack, getStackTraceDepth(new Throwable())));
Throwable exception = new Throwable();
currentStacks.add(new InsertMatch(stack, getStackTraceDepth(exception)));
if (DEBUG) {
System.out.println("insert -> " + key + ", stack saved (" + currentStacks.size() + ")");
System.out.println("insert " + getCallerDescriptor(exception) + " -> " + key + ", stack saved (" + currentStacks.size() + ")");
}
}
else {
currentStacks.add(InsertMatch.EMPTY);
if (DEBUG) {
System.out.println("insert -> " + key + ", no stack found (" + currentStacks.size() + ")");
System.out.println(
"insert " + getCallerDescriptor(new Throwable()) + " -> " + key + ", no stack found (" + currentStacks.size() + ")");
}
}
}
@@ -97,7 +100,8 @@ public class CaptureStorage {
Deque<InsertMatch> currentStacks = CURRENT_STACKS.get();
currentStacks.removeLast();
if (DEBUG) {
System.out.println("insert <- " + key + ", stack removed (" + currentStacks.size() + ")");
System.out.println(
"insert " + getCallerDescriptor(new Throwable()) + " <- " + key + ", stack removed (" + currentStacks.size() + ")");
}
}
catch (Exception e) {
@@ -234,4 +238,10 @@ public class CaptureStorage {
//noinspection CallToPrintStackTrace
e.printStackTrace();
}
private static String getCallerDescriptor(Throwable e) {
StackTraceElement[] stackTrace = e.getStackTrace();
StackTraceElement caller = stackTrace[stackTrace.length - 2];
return caller.getClassName() + "." + caller.getMethodName();
}
}