Will McGinnis created SOLR-9497:
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Summary: HttpSolrClient.Builder Returns Unusable Connection
Key: SOLR-9497
URL: https://issues.apache.org/jira/browse/SOLR-9497
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: clients - java
Affects Versions: 6.2
Environment: Java 1.8 Mac OSX
Reporter: Will McGinnis
Fix For: 6.1.1
SolrClient solr = new HttpSolrClient.Builder(urlString).build();
Exception in thread "main" java.lang.VerifyError: Bad return type
Exception Details:
Location:
org/apache/solr/client/solrj/impl/HttpClientUtil.createClient(Lorg/apache/solr/common/params/SolrParams;Lorg/apache/http/conn/ClientConnectionManager;)Lorg/apache/http/impl/client/CloseableHttpClient;
@58: areturn
Reason:
Type 'org/apache/http/impl/client/DefaultHttpClient' (current frame,
stack[0]) is not assignable to
'org/apache/http/impl/client/CloseableHttpClient' (from method signature)
Current Frame:
bci: @58
flags: { }
locals: { 'org/apache/solr/common/params/SolrParams',
'org/apache/http/conn/ClientConnectionManager',
'org/apache/solr/common/params/ModifiableSolrParams',
'org/apache/http/impl/client/DefaultHttpClient' }
stack: { 'org/apache/http/impl/client/DefaultHttpClient' }
Bytecode:
0x0000000: bb00 0359 2ab7 0004 4db2 0005 b900 0601
0x0000010: 0099 001e b200 05bb 0007 59b7 0008 1209
0x0000020: b600 0a2c b600 0bb6 000c b900 0d02 002b
0x0000030: b800 104e 2d2c b800 0f2d b0
Stackmap Table:
append_frame(@47,Object[#143])
at
org.apache.solr.client.solrj.impl.HttpSolrClient.<init>(HttpSolrClient.java:209)
at
org.apache.solr.client.solrj.impl.HttpSolrClient$Builder.build(HttpSolrClient.java:874)
I have tried upgrading to httpclient-4.5.2. This appears to create the same
problem. For now, I use this deprecated, connection code.
return new HttpSolrClient(urlString, new SystemDefaultHttpClient());
Eventually, this hangs the Solr server, because you run out of file handles.
I suspect calling solrClient.close() is doing nothing.
I tried not closing and using a static connection to Solr.
This results in basically, the same problem of, eventually hanging the Solr
server.
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