diff --git a/all/entrypoint.sh b/all/entrypoint.sh
index 9358ee71..2c40d5d2 100755
--- a/all/entrypoint.sh
+++ b/all/entrypoint.sh
@@ -396,6 +396,10 @@ if [[ $GEN_VALIDATOR == true && $GEN_LANG == "gogo" ]]; then
     GEN_STRING="$GEN_STRING --validate_out=lang=gogo${VALIDATOR_SOURCE_RELATIVE}:$OUT_DIR"
 fi
 
+if [[ $GEN_VALIDATOR == true && $GEN_LANG == "java" ]]; then
+    GEN_STRING="$GEN_STRING --validate_out=lang=java:$OUT_DIR"
+fi
+
 if [[ $GEN_DOCS == true ]]; then
     mkdir -p $OUT_DIR/doc
     GEN_STRING="$GEN_STRING --doc_opt=$DOCS_FORMAT --doc_out=$OUT_DIR/doc"
diff --git a/all/test.sh b/all/test.sh
index b6b93d5d..f959732f 100755
--- a/all/test.sh
+++ b/all/test.sh
@@ -187,9 +187,8 @@ testGeneration() {
         fi
     fi
 
-        # Test that we have generated the test.pb.go file.
-        expected_file_name="/all/test.pb.go"
-    if [[ "$extra_args" == *"--with-validator"* ]]; then
+    # Test that we have generated the test.pb.go file.
+    if [[ "$extra_args" == *"--with-validator"* ]] && [[ "$lang" == "go" ]]; then
         expected_file_name1="/all/test.pb.go"
         expected_file_name2="/all/test.pb.validate.go"
         if [[ "$extra_args" == *"--validator-source-relative"* ]]; then
@@ -207,6 +206,22 @@ testGeneration() {
         fi
     fi
 
+    if [[ "$extra_args" == *"--with-validator"* ]] && [[ "$lang" == "java" ]]; then
+        # Test that we have generated the Test.java and TestValidator.java files
+        java_file_count=$(find $expected_output_dir -type f -name "Test.java" | wc -l)
+        if [ $java_file_count -ne 1 ]; then
+            echo >&2 "[Fail] $name"
+            echo >&2 "Test.java file was not generated in $expected_output_dir"
+            exit 1
+        fi
+        java_validator_file_count=$(find $expected_output_dir -type f -name "TestValidator.java" | wc -l)
+        if [ $java_validator_file_count -ne 1 ]; then
+            echo >&2 "[Fail] $name"
+            echo >&2 "TestValidator.java file was not generated in $expected_output_dir"
+            exit 1
+        fi        
+    fi
+
     if [[ "$extra_args" == *"--with-go-proto-validator"* ]]; then
         expected_file_name1="/all/test.pb.go"
         expected_file_name2="/all/test.pb.validate.go"
@@ -347,6 +362,9 @@ testGeneration "web_with_commonjs_imports" web "gen/pb-web" 0 --grpc-web-out imp
 # Test java output
 testGeneration "java_test_jar" java "gen" 0 -o gen/test.jar
 
+# Test java output
+testGeneration "java_with_validator" java "gen/pb-java" 0 --with-validator
+
 # Generate proto files
 for lang in ${LANGS[@]}; do
     expected_output_dir=""
diff --git a/all/test/test.proto b/all/test/test.proto
index a41d8584..da854802 100644
--- a/all/test/test.proto
+++ b/all/test/test.proto
@@ -5,6 +5,7 @@ package Messages;
 import "all/test/include.proto";
 import "google/api/annotations.proto";
 import "google/protobuf/field_mask.proto";
+import "validate/validate.proto";
 
 option go_package = "all/;all";
 
@@ -29,7 +30,7 @@ message ListMessageRequest {
 }
 
 message UpdateMessageRequest {
-  string name = 1;
+  string name = 1 [(validate.rules).string.len = 1];
   google.protobuf.FieldMask update_mask = 2;
 }