[commit] r2768 - trunk/SDK/Java/native/JavaCompRunner

[GMESRC Repository Notifications]

Author: ksmyth
Date: Wed Nov 14 13:45:50 2018
New Revision: 2768

Log:
Fix buffer overrun when trying to run Java 10 .class with Java 8

Modified:
   trunk/SDK/Java/native/JavaCompRunner/RawComponent.cpp

Modified: trunk/SDK/Java/native/JavaCompRunner/RawComponent.cpp
==============================================================================
--- trunk/SDK/Java/native/JavaCompRunner/RawComponent.cpp	Wed Nov 14 13:45:48 2018	(r2767)
+++ trunk/SDK/Java/native/JavaCompRunner/RawComponent.cpp	Wed Nov 14 13:45:50 2018	(r2768)
@@ -270,7 +270,6 @@
 				COMTHROW(project->CommitTransaction());
 		}	
 		catch(jthrowable jexc){
-			char buf[200];
 			m_env->ExceptionClear();
 			try{
 				jclass    throwableClass  = m_env->FindClass("java/lang/Throwable");
@@ -289,18 +288,18 @@
 				if (exc) {
 					throw exc;
 				}
-				
+
 				const char *str = m_env->GetStringUTFChars(msg, 0);
-				sprintf(buf, "Java exception occurred at component invokation: %s", str);;
+				const char *messageTemplate = "Java exception occurred at component invocation: %s";
+				char* buf = (char*)malloc(strlen(messageTemplate) + strlen(str) + 1);
+				sprintf(buf, messageTemplate, str);
 				m_env->ReleaseStringUTFChars(msg, str);
-				
-				
-				
-				
+
 				AfxMessageBox(buf);
+				free(buf);
 			}catch(...){
 				m_env->ExceptionClear();
-				AfxMessageBox("Java exception occurred at component invokation, the cause is unrecoverable.");
+				AfxMessageBox("Java exception occurred at component invocation, the cause is unrecoverable.");
 			}
 
 			if (invokeExStartedATransaction)