[skywalking] 01/01: bugfix: NPE when OAP nodes synchronize with each other

[ke...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

kezhenxu94 pushed a commit to branch kezhenxu94-patch-1
in repository https://gitbox.apache.org/repos/asf/skywalking.git

commit 90e49d549d160dfb9774061f208f4c871dd4a7b4
Author: kezhenxu94 <ke...@apache.org>
AuthorDate: Mon Aug 23 12:12:25 2021 +0800

    bugfix: NPE when OAP nodes synchronize with each other
---
 .../main/java/org/apache/skywalking/oap/server/core/source/Event.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/source/Event.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/source/Event.java
index f985d08..52f5b9f 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/source/Event.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/source/Event.java
@@ -18,6 +18,7 @@
 
 package org.apache.skywalking.oap.server.core.source;
 
+import com.google.common.base.Strings;
 import java.util.HashMap;
 import java.util.Map;
 import lombok.EqualsAndHashCode;
@@ -186,7 +187,7 @@ public class Event extends Metrics implements ISource, WithMetadata, LongValueHo
         builder.addDataStrings(getName());
         builder.addDataStrings(getType());
         builder.addDataStrings(getMessage());
-        builder.addDataStrings(getParameters());
+        builder.addDataStrings(Strings.nullToEmpty(getParameters()));
 
         builder.addDataLongs(getStartTime());
         builder.addDataLongs(getEndTime());