X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ee6ffc12bf5523e4d2d2193138c791d991ec0ae4..e28a9a1f0dfaa7161fa5b5e65c4515afdd88b3b1:/src/bindings/java/org/simgrid/NativeLib.java

diff --git a/src/bindings/java/org/simgrid/NativeLib.java b/src/bindings/java/org/simgrid/NativeLib.java
index e2931c5a3d..4af8a637d9 100644
--- a/src/bindings/java/org/simgrid/NativeLib.java
+++ b/src/bindings/java/org/simgrid/NativeLib.java
@@ -19,15 +19,11 @@ public final class NativeLib {
 	public static void nativeInit() {
 		if (isNativeInited)
 			return;
-	        
+
 		if (System.getProperty("os.name").toLowerCase().startsWith("win"))
 			NativeLib.nativeInit("winpthread-1");
 
-		try {
-			NativeLib.nativeInit("boost_context");
-		} catch (Exception e) {/* Dont care */}
 		NativeLib.nativeInit("simgrid");
-		NativeLib.nativeInit("surf-java");
 		NativeLib.nativeInit("simgrid-java");      
 		isNativeInited = true;
 	}
@@ -36,15 +32,29 @@ public final class NativeLib {
 		try {
 			/* Prefer the version of the library bundled into the jar file and use it */
 			loadLib(name);
-		} catch (SimGridLibNotFoundException e) {
+		} catch (SimGridLibNotFoundException embeededException) {
 			/* If not found, try to see if we can find a version on disk */
 			try {
 				System.loadLibrary(name);
-			} catch (UnsatisfiedLinkError e2) {
-				System.err.println("Cannot load the bindings to the "+name+" library in path "+getPath());
-				e.printStackTrace();
-				System.err.println("This jar file does not seem to fit your system, and I cannot find an installation of SimGrid.");
-				System.exit(1);
+			} catch (UnsatisfiedLinkError systemException) {
+				if (! name.equals("boost_context")) { // Ignore when we cannot load boost_context
+					
+					System.err.println("\nCannot load the bindings to the "+name+" library in path "+getPath());
+					Throwable cause = embeededException.getCause();
+					if (cause instanceof java.lang.UnsatisfiedLinkError) {
+						if (cause.getMessage().matches(".*libcgraph.so.*"))
+							System.err.println("HINT: Try to install the libcgraph package (sudo apt-get install libcgraph).");
+						else if (cause.getMessage().matches(".*libboost_context.so.*"))
+							System.err.println("HINT: Try to install the boost-context package (sudo apt-get install libboost-context-dev).");
+						else
+							System.err.println("Try to install the missing dependencies, which name should appear above.");							
+					} else {
+						System.err.println("This jar file does not seem to fit your system, and no usable SimGrid installation found on disk.");
+					}
+					System.err.println();
+					cause.printStackTrace();
+					System.exit(1);
+				}
 			}
 		}
 	}
@@ -118,10 +128,8 @@ public final class NativeLib {
 			in.close();
 			out.close();
 			System.load(fileOut.getAbsolutePath());
-		} catch (Exception e) {
-			System.err.println("Error while extracting the native library from the jar: ");
-			e.printStackTrace();
-			throw new SimGridLibNotFoundException("Cannot load the bindings to the "+name+" library in path "+getPath(),   e);
+		} catch (Throwable e) {
+			throw new SimGridLibNotFoundException("Cannot load the bindings to the "+name+" library in path "+getPath(), e);
 		}
 	}
 
@@ -131,6 +139,7 @@ public final class NativeLib {
 		public FileCleaner(File dir) {
 			this.dir = dir;
 		}
+		@Override
 		public void run() {
 			try {
 			    for (File f : dir.listFiles())
@@ -155,7 +164,7 @@ class SimGridLibNotFoundException extends Exception {
 		super(msg);
 	}
 
-	public SimGridLibNotFoundException(String msg, Exception e) {
+	public SimGridLibNotFoundException(String msg, Throwable e) {
 		super(msg,e);
 	}
 }
\ No newline at end of file