jruby
Showing 768 changed files with 14,414 additions and 9,921 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -6,11 +6,14 @@ sudo: false
 #  directories:
 #    - $HOME/.m2
 
-before_script:
+before_install:
   - export MAVEN_SKIP_RC=true
-  - export MAVEN_OPTS="-Xmx512m -XX:MaxPermSize=256m"
+  - mvn -Xmx32M -v | grep 1.7.0; if [ $? = 0 ]; then export MAVEN_OPTS="-XX:MaxPermSize=240M"; else export MAVEN_OPTS="-XX:MaxMetaspaceSize=240M -XX:CompressedClassSpaceSize=240M"; fi
+  - export MAVEN_OPTS="-Xmx512M $MAVEN_OPTS"
+
+before_script:
   - unset GEM_PATH GEM_HOME IRBRC JRUBY_OPTS
-  - "export PATH=`pwd`/bin:$PATH"
+  - export PATH="`pwd`/bin:$PATH"
   - echo $HOME
 
 jdk:
@@ -22,15 +25,16 @@ os:
 
 env:
   global:
-    - JAVA_OPTS="-XX:+TieredCompilation -XX:TieredStopAtLevel=1 -Xmx512M"
+    - JAVA_OPTS="-XX:+TieredCompilation -XX:TieredStopAtLevel=1 -Xmn48M -Xmx512M"
     - MALLOC_ARENA_MAX=2
   matrix:
+    - JT='test specs :command_line'
     - JT='test specs :language'
     - JT='test specs :core'
     - JT='test specs :library'
     - JT='test specs :truffle'
     - JT='test integration fast'
-    - JT='test integration long' JAVA_OPTS="$JAVA_OPTS -Xmx512m"
+    - JT='test integration long' JAVA_OPTS="$JAVA_OPTS -Xmx512m" HAS_REDIS=true
 
 matrix:
   include:
@@ -43,9 +47,9 @@ matrix:
     - env: JT=check_ambiguous_arguments
       jdk: oraclejdk8
     - env: JT='test mri'
-    - env: PHASE='-Pmain'
+    - env: PHASE='-Pmain --projects !truffle'
       jdk: oraclejdk8
-    - env: PHASE='-Pj2ee'
+    - env: PHASE='-Pj2ee --projects !truffle'
       jdk: oraclejdk7
     # NOTE: build seems to never start (waited for any to finish for more than a day) - probably a travis-ci bug
     #- env: PHASE='-Pmain'
@@ -83,3 +87,6 @@ notifications:
 # we are on a branch
     on_success: always
     on_failure: never
+
+services:
+  - redis-server
diff --git a/core/src/main/java/org/jruby/NativeException.java b/core/src/main/java/org/jruby/NativeException.java
@@ -52,7 +52,7 @@ public NativeException(Ruby runtime, RubyClass rubyClass, Throwable cause) {
     private NativeException(Ruby runtime, RubyClass rubyClass) {
         super(runtime, rubyClass);
         this.cause   = new Throwable();
-        this.message = runtime.newString();
+        this.message = RubyString.newEmptyString(runtime);
     }
 
     private static ObjectAllocator NATIVE_EXCEPTION_ALLOCATOR = new ObjectAllocator() {
@@ -72,32 +72,43 @@ public static RubyClass createClass(Ruby runtime, RubyClass baseClass) {
     }
 
     @JRubyMethod
+    public final IRubyObject cause() {
+        return Java.getInstance(getRuntime(), getCause());
+    }
+
+    @Deprecated
     public IRubyObject cause(Block unusedBlock) {
-        return Java.getInstance(getRuntime(), cause);
+        return cause();
     }
 
-    public IRubyObject backtrace() {
+    @Override
+    public final IRubyObject backtrace() {
         IRubyObject rubyTrace = super.backtrace();
-        if (rubyTrace.isNil()) {
-            return rubyTrace;
-        }
+        if ( rubyTrace.isNil() ) return rubyTrace;
+
         final Ruby runtime = getRuntime();
-        RubyArray array = (RubyArray) rubyTrace.dup();
-        StackTraceElement[] stackTrace = cause.getStackTrace();
-        for (int i = stackTrace.length - 1; i >= 0; i--) {
-            StackTraceElement element = stackTrace[i];
+        final RubyArray rTrace = (RubyArray) rubyTrace;
+        StackTraceElement[] jTrace = cause.getStackTrace();
+        final IRubyObject[] trace = new IRubyObject[jTrace.length + rTrace.size()];
+        final StringBuilder line = new StringBuilder(32);
+        for ( int i = 0; i < jTrace.length; i++ ) {
+            StackTraceElement element = jTrace[i];
             final String className = element.getClassName();
-            final String line;
+            line.setLength(0);
             if (element.getFileName() == null) {
-                line = className + ':' + element.getLineNumber() + ":in `" + element.getMethodName() + '\'';
+                line.append(className).append(':').append(element.getLineNumber()).append(":in `").append(element.getMethodName()).append('\'');
             } else {
                 final int index = className.lastIndexOf('.');
-                final String packageName = index == -1 ? "" : className.substring(0, index) + '/';
-                line = packageName.replace('.', '/') + element.getFileName() + ':' + element.getLineNumber() + ":in `" + element.getMethodName() + '\'';
+                if ( index > - 1 ) {
+                    line.append(className.substring(0, index).replace('.', '/'));
+                    line.append('/');
+                }
+                line.append(element.getFileName()).append(':').append(element.getLineNumber()).append(":in `").append(element.getMethodName()).append('\'');
             }
-            array.unshift(runtime.newString(line));
+            trace[i] = RubyString.newString(runtime, line.toString());
         }
-        return array;
+        System.arraycopy(rTrace.toJavaArrayMaybeUnsafe(), 0, trace, jTrace.length, rTrace.size());
+        return RubyArray.newArrayNoCopy(runtime, trace);
     }
 
     @Deprecated // not used
@@ -139,14 +150,6 @@ public void trimStackTrace(Member target) {
         }
     }
 
-    public void printBacktrace(PrintStream errorStream) {
-        super.printBacktrace(errorStream);
-        if (getRuntime().isDebug()) {
-            errorStream.println("Complete Java stackTrace");
-            cause.printStackTrace(errorStream);
-        }
-    }
-
     public final Throwable getCause() {
         return cause;
     }
@@ -155,9 +158,9 @@ private static String searchStackMessage(Throwable cause) {
         String message;
         do {
             message = cause.getMessage();
+            if ( message != null ) return message;
             cause = cause.getCause();
-        } while (message == null && cause != null);
-
-        return message;
+        } while ( cause != null );
+        return null;
     }
 }