diff --git a/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.cpp b/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.cpp
index be998bfe315..d18c09fc05b 100644
--- a/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.cpp
+++ b/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.cpp
@@ -254,10 +254,16 @@ OSStatus MRJSession::open(const char* consolePath)
             jstring path = env->NewStringUTF(consolePath);
             if (path) {
                 env->CallStaticVoidMethod(session, openMethod, path);
+                if (env->ExceptionCheck())
+                    env->ExceptionClear();
                 env->DeleteLocalRef(path);
             }
+        } else {
+            env->ExceptionClear();
         }
         env->DeleteLocalRef(session);
+    } else {
+        env->ExceptionClear();
     }
 
     if (mStatus == noErr)
@@ -266,11 +272,9 @@ OSStatus MRJSession::open(const char* consolePath)
 #if REDIRECT_VFPRINTF
     // XXX test the vfprintf function.
     jclass notThere = env->FindClass("class/not/Found");
-    jobject throwable = env->ExceptionOccurred();
-    if (throwable) {
+    if (env->ExceptionCheck()) {
         env->ExceptionDescribe();
         env->ExceptionClear();
-        env->DeleteLocalRef(throwable);
     }
 #endif
 
@@ -294,6 +298,8 @@ OSStatus MRJSession::close()
             jmethodID closeMethod = env->GetStaticMethodID(session, "close", "()V");
             if (closeMethod)
                 env->CallStaticVoidMethod(session, closeMethod);
+            else
+                env->ExceptionClear();
     	    env->DeleteGlobalRef(mSession);
     	    mSession = NULL;
         }
diff --git a/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.java b/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.java
index 183384925ed..1f43ed18d3b 100644
--- a/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.java
+++ b/mozilla/plugin/oji/MRJCarbon/plugin/Source/MRJSession.java
@@ -50,10 +50,10 @@ import java.net.URL;
  *    integrating with the Netscape 6 security system.
  */
 public class MRJSession {
-	// Save primordial System streams.
-	private static PrintStream out;
-	private static PrintStream err;
-	private static PrintStream console;
+    // Save primordial System streams.
+    private static PrintStream out;
+    private static PrintStream err;
+    private static PrintStream console;
 
     private static Properties loadProperties(String pluginHome) {
         Properties props = new Properties();
@@ -71,12 +71,19 @@ public class MRJSession {
         Properties props = loadProperties(pluginHome);
         boolean append = Boolean.valueOf(props.getProperty("netscape.oji.plugin.console.append")).booleanValue();
     
-        // redirect I/O to specified file.
-		MRJSession.out = System.out;
-		MRJSession.err = System.err;
+        // Make sure the parent directories exist.
+        File consoleFile = new File(consolePath);
+        File parentFile = consoleFile.getParentFile();
+        if (!parentFile.exists()) {
+            parentFile.mkdirs();
+        }
+    
+        // redirect console I/O to specified file.
+        MRJSession.out = System.out;
+        MRJSession.err = System.err;
         console = new PrintStream(new FileOutputStream(consolePath, append));
-		System.setOut(console);
-		System.setErr(console);
+        System.setOut(console);
+        System.setErr(console);
 
         Date date = new Date();
         String version = props.getProperty("netscape.oji.plugin.version");
@@ -98,8 +105,8 @@ public class MRJSession {
     }
 
     public static void close() throws IOException {
-		System.setOut(MRJSession.out);
-		System.setErr(MRJSession.err);
+        System.setOut(MRJSession.out);
+        System.setErr(MRJSession.err);
         console.close();
     }
 }