exceptions in memcache not handled while using @Cacheable?

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Maanasa Srinivasulu

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Oct 3, 2017, 5:13:27 AM10/3/17

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Hi,

I am using SSMCache with @Cacheable annotation in Spring. However there are instances when the memcache is not responding and throws a CheckedOperationTimeoutException.

In such however the code does not fallback to the annotated function to fetch the value from db. I can write a wrapper around @Cacheable and make this work, however is there a way to handle this with the existing annotation itself?

Jakub Białek

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Oct 3, 2017, 3:12:13 PM10/3/17

to simple-spring-memecached

Hi,

Which provider do you use? Could you please attach a stacktrace?

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Maanasa Srinivasulu

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Oct 4, 2017, 2:44:25 AM10/4/17

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I use AWS elasticache provider.

The function with the annoation is :

@Cacheable(value = "acapwebappcache",

key = "T(com.xyz.acap.webapp.memcachehelper.WebAppMemcacheHelper).getAccountLocaleIdMemCacheKey(#accountId)")

public Integer getAccountLocaleId(final Long accountId)

{

final Account account = accountDBHelper.getAccountEntity(accountId);

final Integer localeId = account.getLocaleId();

LOGGER.debug("Accessing AccountLocaleId key = {} localeId = {}", getAccountLocaleIdMemCacheKey(accountId), localeId);

return (localeId == null) ? 0 : localeId;

}

The log message in the function above is not coming up which is an indication that the fallback is not happening.

The stack trace is -

cluster=bl uuid= , 10.250.19.173 00:43:34.791 [http-nio-8080-exec-4] WARN c.g.code.ssm.spring.SSMCache - An error has ocurred for cache acapwebappcache and key supportedLocale12345

net.spy.memcached.internal.CheckedOperationTimeoutException: Timed out waiting for operation - failing node: /10.250.19.150:11211

at net.spy.memcached.internal.OperationFuture.get(OperationFuture.java:167)

at net.spy.memcached.internal.GetFuture.get(GetFuture.java:69)

at net.spy.memcached.MemcachedClient.get(MemcachedClient.java:1473)

at net.spy.memcached.MemcachedClient.get(MemcachedClient.java:1500)

at com.google.code.ssm.providers.elasticache.MemcacheClientWrapper.get(MemcacheClientWrapper.java:147)

at com.google.code.ssm.CacheImpl.get(CacheImpl.java:276)

at com.google.code.ssm.CacheImpl.get(CacheImpl.java:106)

at com.google.code.ssm.spring.SSMCache.getValue(SSMCache.java:284)

at com.google.code.ssm.spring.SSMCache.get(SSMCache.java:101)

at org.springframework.cache.interceptor.AbstractCacheInvoker.doGet(AbstractCacheInvoker.java:71)

at org.springframework.cache.interceptor.CacheAspectSupport.findInCaches(CacheAspectSupport.java:537)

at org.springframework.cache.interceptor.CacheAspectSupport.findCachedItem(CacheAspectSupport.java:503)

at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:389)

at org.springframework.cache.interceptor.CacheAspectSupport.execute(CacheAspectSupport.java:327)

at org.springframework.cache.interceptor.CacheInterceptor.invoke(CacheInterceptor.java:61)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:656)

at com.xyz.acap.webapp.memcachehelper.WebAppMemcacheHelper$$EnhancerBySpringCGLIB$$e4d5ec0b.getAccountLocaleId(<generated>)

at com.xyz.acap.webapp.memcachehelper.WebAppMemcacheHelper$$FastClassBySpringCGLIB$$1f5c204b.invoke(<generated>)

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:721)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)

at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)

at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:656)

at com.xyz.acap.webapp.memcachehelper.WebAppMemcacheHelper$$EnhancerBySpringCGLIB$$9e2c8485.getAccountLocaleId(<generated>)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper.getUserContentLocaleIdOrder(LocalizedEntityStringsDBHelper.java:419)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper.getLocalizedMetadataForEntityInternal(LocalizedEntityStringsDBHelper.java:348)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper.lambda$getLocalizedMetadataForEntityList$1(LocalizedEntityStringsDBHelper.java:72)

at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1321)

at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)

at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1691)

at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)

at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)

at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)

at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper.getLocalizedMetadataForEntityList(LocalizedEntityStringsDBHelper.java:71)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper.appendNameInResultFromDbData(LocalizedEntityStringsDBHelper.java:240)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper$$FastClassBySpringCGLIB$$28025c42.invoke(<generated>)

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:721)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)

at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)

at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)

at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

at org.javasimon.spring.MonitoringInterceptor.processInvoke(MonitoringInterceptor.java:61)

at org.javasimon.spring.BasicMonitoringInterceptor.invoke(BasicMonitoringInterceptor.java:51)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:656)

at com.xyz.acap.webapp.dbhelper.LocalizedEntityStringsDBHelper$$EnhancerBySpringCGLIB$$b256e935.appendNameInResultFromDbData(<generated>)