diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
index 6d0c26290f2..2c18b823d6a
--- a/build.sh
+++ b/build.sh
@@ -304,6 +304,7 @@ checkopts()
           LITE_LANGUAGE="cpp"
         elif [[ "$OPTARG" == "java" ]]; then
           LITE_LANGUAGE="java"
+	  ENABLE_CONVERTER="off"
         elif [[ "$OPTARG" == "object-c" ]]; then
           LITE_LANGUAGE="object-c"
         else
diff --git a/mindspore/lite/src/kernel_registry.cc b/mindspore/lite/src/kernel_registry.cc
index a245e285f1a..bda5dbedd50 100644
--- a/mindspore/lite/src/kernel_registry.cc
+++ b/mindspore/lite/src/kernel_registry.cc
@@ -116,8 +116,11 @@ kernel::LiteKernel *KernelRegistry::GetKernel(const std::vector<Tensor *> &in_te
   auto creator = GetCreator(key);
   if (creator != nullptr) {
     auto kernel = creator(in_tensors, out_tensors, parameter, ctx, key, primitive);
-    return kernel;
+    if (kernel != nullptr) {
+      return kernel;
+    }
   }
+  free(parameter);
   return nullptr;
 }