Upgrade to Elasticsearch 6.7.0

Author: spinscale

README.md

@@ -6,6 +6,7 @@ Uses the [langdetect](https://github.com/YouCruit/language-detection/) plugin to
 
 | ES    | Command |
 | ----- | ------- |
+| 6.7.0 | `bin/elasticsearch-plugin install https://github.com/spinscale/elasticsearch-ingest-langdetect/releases/download/6.7.0.1/ingest-langdetect-6.7.0.1.zip` |
 | 6.6.2 | `bin/elasticsearch-plugin install https://github.com/spinscale/elasticsearch-ingest-langdetect/releases/download/6.6.2.1/ingest-langdetect-6.6.2.1.zip` |
 | 6.6.1 | `bin/elasticsearch-plugin install https://github.com/spinscale/elasticsearch-ingest-langdetect/releases/download/6.6.1.1/ingest-langdetect-6.6.1.1.zip` |
 | 6.6.0 | `bin/elasticsearch-plugin install https://github.com/spinscale/elasticsearch-ingest-langdetect/releases/download/6.6.0.1/ingest-langdetect-6.6.0.1.zip` |

gradle.properties

@@ -1 +1 @@
-elasticsearchVersion = 6.6.2
+elasticsearchVersion = 6.7.0

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/com/cybozu/labs/langdetect/SecureDetectorFactory.java

@@ -65,8 +65,9 @@ public static void loadProfileFromClassPath(Environment environment) throws Lang
         Iterator<Path> iter = ds.iterator();
         Map<String, LangProfile> profiles = new HashMap<>();
         while (iter.hasNext()) {
-            String path = iter.next().toString().replaceFirst("/","");
+            String path = iter.next().toString().replaceFirst("^/","");
             InputStream stream = SecureDetectorFactory.class.getClassLoader().getResourceAsStream(path);
+            assert stream != null;
 
             Map<String, Object> data = XContentType.JSON.xContent().createParser(NamedXContentRegistry.EMPTY,
                     DeprecationHandler.THROW_UNSUPPORTED_OPERATION, stream).map();