SONAR-3688 Improve log when loading a plugin that is not compiled for Java 5

diff --git a/sonar-core/src/main/java/org/sonar/core/plugins/PluginClassloaders.java b/sonar-core/src/main/java/org/sonar/core/plugins/PluginClassloaders.java
index 11a762d73330a398a7606dddaa8429b3737c942b..2b2c27600be717bbaef25613a9163deb5873aa75 100644 (file)
--- a/sonar-core/src/main/java/org/sonar/core/plugins/PluginClassloaders.java
+++ b/sonar-core/src/main/java/org/sonar/core/plugins/PluginClassloaders.java
@@ -122,8 +122,8 @@ public class PluginClassloaders {
         realm.addURL(url);
       }
       return realm;
-    } catch (Exception e) {
-      throw new SonarException(e);
+    } catch (Throwable e) {
+      throw new SonarException("Fail to build the classloader of " + plugin.getKey(), e);
     }
   }
 
@@ -143,8 +143,8 @@ public class PluginClassloaders {
         base.addURL(file.toURI().toURL());
       }
       return true;
-    } catch (Exception e) {
-      throw new SonarException(e);
+    } catch (Throwable e) {
+      throw new SonarException("Fail to extend the plugin " + plugin.getBasePlugin() + " for " + plugin.getKey(), e);
     }
   }
 
@@ -207,7 +207,9 @@ public class PluginClassloaders {
       Class claz = get(metadata.getKey()).loadClass(metadata.getMainClass());
       return (Plugin) claz.newInstance();
 
-    } catch (Exception e) {
+    } catch (Throwable e) {
+      // Do not catch only Exception in order to detect the plugins compiled for Java > 5
+      // (it raises a java.lang.UnsupportedClassVersionError)
       throw new SonarException("Fail to load plugin " + metadata.getKey(), e);
     }
   }