do not catch throwable

scm-core/src/main/java/sonia/scm/BasicContextProvider.java

@@ -96,7 +96,7 @@ public class BasicContextProvider implements SCMContextProvider
       version = loadVersion();
       stage = loadProjectStage();
     }
-    catch (Throwable ex)
+    catch (Exception ex)
     {
       this.startupError = ex;
 

scm-webapp/src/main/java/sonia/scm/web/cgi/DefaultCGIExecutor.java

@@ -190,7 +190,7 @@ public class DefaultCGIExecutor extends AbstractCGIExecutor
       p = Runtime.getRuntime().exec(execCmd, env.getEnvArray(), workDirectory);
       execute(p);
     }
-    catch (Throwable ex)
+    catch (IOException ex)
     {
       getExceptionHandler().handleException(request, response, ex);
     }