wu-sheng commented on a change in pull request #4379: Fix ehcache: missing
interceptor of private constructor and setName method
URL: https://github.com/apache/skywalking/pull/4379#discussion_r381014400
##########
File path:
apm-sniffer/apm-sdk-plugin/ehcache-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/ehcache/v2/EhcacheConstructorInterceptor.java
##########
@@ -18,18 +18,28 @@
package org.apache.skywalking.apm.plugin.ehcache.v2;
+import net.sf.ehcache.Cache;
import net.sf.ehcache.config.CacheConfiguration;
import
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
import
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceConstructorInterceptor;
public class EhcacheConstructorInterceptor implements
InstanceConstructorInterceptor {
@Override
public void onConstruct(EnhancedInstance objInst, Object[] allArguments) {
- CacheConfiguration cacheConfiguration = (CacheConfiguration)
allArguments[0];
+ try {
+ CacheConfiguration cacheConfiguration = (CacheConfiguration)
allArguments[0];
- // get cache name
- if (cacheConfiguration != null) {
- objInst.setSkyWalkingDynamicField(new
EhcacheEnhanceInfo(cacheConfiguration.getName()));
+ // get cache name
+ if (cacheConfiguration != null) {
+ objInst.setSkyWalkingDynamicField(new
EhcacheEnhanceInfo(cacheConfiguration.getName()));
+ }
+ } catch (ClassCastException e) {
Review comment:
You don't need to use this `try/catch`. `getConstructorsInterceptPoints`
returns an array, you should set up the interceptors separately. This one you
didi has a performance issue.
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