From c3d0b3a5cdbe6b54f1881a5f623794596cdec8bb Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Mon, 2 Apr 2012 20:08:43 +0200
Subject: [PATCH] do not print trace for compilation-canceled exception

---
 .../jps/javac/CompilationCanceledException.java  | 16 ++++++++++++++++
 .../jetbrains/jps/javac/JavacFileManager.java    |  7 +------
 .../src/org/jetbrains/jps/javac/JavacServer.java |  3 +++
 3 files changed, 20 insertions(+), 6 deletions(-)
 create mode 100644 jps/jps-builders/src/org/jetbrains/jps/javac/CompilationCanceledException.java

diff --git a/jps/jps-builders/src/org/jetbrains/jps/javac/CompilationCanceledException.java b/jps/jps-builders/src/org/jetbrains/jps/javac/CompilationCanceledException.java
new file mode 100644
index 000000000000..80eae60a05f9
--- /dev/null
+++ b/jps/jps-builders/src/org/jetbrains/jps/javac/CompilationCanceledException.java
@@ -0,0 +1,16 @@
+package org.jetbrains.jps.javac;
+
+/**
+ * @author Eugene Zhuravlev
+ *         Date: 4/2/12
+ */
+class CompilationCanceledException extends RuntimeException{
+  CompilationCanceledException() {
+    super("Compilation canceled");
+  }
+
+  @Override
+  public synchronized Throwable fillInStackTrace() {
+    return this;
+  }
+}
diff --git a/jps/jps-builders/src/org/jetbrains/jps/javac/JavacFileManager.java b/jps/jps-builders/src/org/jetbrains/jps/javac/JavacFileManager.java
index 0715a336d814..7ba5054dd5fc 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/javac/JavacFileManager.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/javac/JavacFileManager.java
@@ -210,12 +210,7 @@ class JavacFileManager extends ForwardingJavaFileManager<StandardJavaFileManager
     final int counter = (myChecksCounter + 1) % 10;
     myChecksCounter = counter;
     if (counter == 0 && myContext.isCanceled()) {
-      throw new RuntimeException("Compilation canceled") {
-        @Override
-        public Throwable fillInStackTrace() {
-          return this;
-        }
-      };
+      throw new CompilationCanceledException();
     }
   }
 }
diff --git a/jps/jps-builders/src/org/jetbrains/jps/javac/JavacServer.java b/jps/jps-builders/src/org/jetbrains/jps/javac/JavacServer.java
index fd7ae5789180..f4dfb849943a 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/javac/JavacServer.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/javac/JavacServer.java
@@ -140,6 +140,9 @@ public class JavacServer {
       final boolean rc = JavacMain.compile(options, files, classpath, platformCp, sourcePath, outs, diagnostic, outputSink, canceledStatus);
       return JavacProtoUtil.toMessage(sessionId, JavacProtoUtil.createBuildCompletedResponse(rc));
     }
+    catch (CompilationCanceledException e) {
+      return JavacProtoUtil.toMessage(sessionId, JavacProtoUtil.createFailure(e.getMessage(), e));
+    }
     catch (Throwable e) {
       e.printStackTrace(System.err);
       return JavacProtoUtil.toMessage(sessionId, JavacProtoUtil.createFailure(e.getMessage(), e));