Better error reporting

Change-Id: I36c6dc025d0094c0b1666e13b25d78931392f768

stoc/source/javaloader/javaloader.cxx

@@ -169,13 +169,16 @@ const css::uno::Reference<XImplementationLoader> & JavaComponentLoader::getJavaL
         rtl::Reference< jvmaccess::UnoVirtualMachine > xVirtualMachine(
             reinterpret_cast< jvmaccess::UnoVirtualMachine * >(nPointer));
         if (!xVirtualMachine.is())
+        {
             //throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM(
             //   "javaloader error - JavaVirtualMachine service could not provide a VM")),
             //   css::uno::Reference<XInterface>());
             // We must not throw a RuntimeException, because this might end the applications.
             // It is ok if java components
             // are not working because the office can be installed without Java support.
+            SAL_WARN("stoc", "getJavaVM returned null");
             return m_javaLoader; // null-ref
+        }
 
         try
         {