问题概述
关于这个问题,是在切换Solr集群服务时遇到的,根据当前业务的需求,在之前一直使用的类似于单实例的Solr服务器,但是随着业务量的不断增长,需要对其进行改进升级,将单例切换到集群的环境下,在切换时遇到了 “ No collection param specified on request and no default collection has been set ” ,这个不大不小的问题,可能有的人一看到英文就慌了,其实不然,根据中文意思“ 提示:需要设置集合参数或者需要指定默认的集合 ”,
如下图:
具体信息如下:
org.apache.solr.client.solrj.SolrServerException: No collection param specified on request and no default collection has been set.
at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:917)
at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:795)
at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:738)
at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:91)
at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:302)
at com.huazai.b2c.aiyou.test.solrj.TSolrjCloud.tSolrCloudQuaryDoc(TSolrjCloud.java:92)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
解决办法
在官方文档中找到了答案,在使用SolrCloud时,指定其DefaultCollection参数即可【注释:集合名称为自己创建的集合名称哦,这个不能错了,错了一样的报错,找不到指定集合!】,如下截图内容:
好了,关于 SolrServerException: No collection param specified on request and no default collection has been set的解决办法 就写到这儿了,如果还有什么疑问或遇到什么问题欢迎扫码提问,也可以给我留言哦,我会一一详细的解答的。
歇后语:“ 共同学习,共同进步 ”,也希望大家多多关注CSND的IT社区。
作 者: | 华 仔 |
联系作者: | [email protected] |
来 源: | CSDN (Chinese Software Developer Network) |
原 文: | https://blog.csdn.net/Hello_World_QWP/article/details/102895726 |
版权声明: | 本文为博主原创文章,请在转载时务必注明博文出处! |