Resolve conflict

Author: Yuhong Guo

java/api/src/main/java/org/ray/api/Ray.java

@@ -105,13 +105,6 @@ static RayApi internal() {
     return impl;
   }
 
-  /**
-   * for ray's app's log.
-   */
-  public static DynamicLog getRappLogger() {
-    return RayLog.rapp;
-  }
-
   /**
    * start a batch, see RayAPI.java for details.
    */

java/ray.config.ini

@@ -28,10 +28,6 @@ simple_fail_over = false
 [ray.java]
 ;network_interface = en0
 
-; set log level: debug info warn error
-log_level = debug
-;log_level = warn
-
 [ray.java.start]
 
 ; run mode for this app SINGLE_PROCESS | SINGLE_BOX | CLUSTER

java/runtime-common/src/main/java/org/ray/core/RayRuntime.java

@@ -488,7 +488,7 @@ public <ContextT, ResultT, CompletionHostT> RayObject<Boolean> startBatch(
   @Override
   public <ResultT> void endBatch(ResultT r) {
     long batchId = UniqueIdHelper.getBatchId(this.getCurrentTaskId());
-    Ray.getRappLogger().debug("end batch with id " + batchId);
+    RayLog.rapp.debug("end batch with id " + batchId);
     this.putRaw(UniqueIdHelper.batchResultObject(batchId).getId(), r);
   }
 }