commit 16fb2d24db9ca7eecab4df753b3d10d7c1455725
author Lei Zhang <zhanglei@apache.org> Thu Mar 26 19:22:45 2020 +0800
committer Willem Jiang <willem.jiang@gmail.com> Fri Mar 27 09:11:51 2020 +0800
tree 1f38743667fda9daf2c66227a1a98861cf0c3609
parent 7b212290afc08adddec2cae505455c2bf818d7de

SCB-1811 Add error logs

pack-common/pom.xml

diff --git a/pack-common/pom.xml b/pack-common/pom.xml
index 003c0e1..9afd476 100644
--- a/pack-common/pom.xml
+++ b/pack-common/pom.xml
@@ -29,4 +29,10 @@
   <artifactId>pack-common</artifactId>
   <name>Pack::Pack Common</name>
 
+  <dependencies>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+  </dependencies>
 </project>

pack-common/src/main/java/org/apache/servicecomb/pack/common/Environment.java

diff --git a/pack-common/src/main/java/org/apache/servicecomb/pack/common/Environment.java b/pack-common/src/main/java/org/apache/servicecomb/pack/common/Environment.java
index e1d949a..691aafb 100644
--- a/pack-common/src/main/java/org/apache/servicecomb/pack/common/Environment.java
+++ b/pack-common/src/main/java/org/apache/servicecomb/pack/common/Environment.java
@@ -17,7 +17,12 @@
 
 package org.apache.servicecomb.pack.common;
 
+import java.lang.invoke.MethodHandles;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 public class Environment {
+  private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
   private static Environment instance;
   private static final int PAYLOADS_MAX_LENGTH = 10240;
   private int payloadsMaxLength = 0;
@@ -32,6 +37,9 @@
           payloadsMaxLength = Integer.parseInt(val);
         } catch (NumberFormatException ex) {
           payloadsMaxLength = PAYLOADS_MAX_LENGTH;
+          LOG.error(
+              "Failed to parse environment variable PAYLOADS_MAX_LENGTH={}, use default value {}",
+              val, PAYLOADS_MAX_LENGTH);
         }
       }
     }