Hi Brian, We are moving past the performance testing and onto failover testing. I have a five-node cluster and created a PB and HTTP clustered client based on the cook book. I tested out and everything seems to be working. Then I shutdown one node in the cluster and all my tests failed. It seems like the PB and HTTP cluster client connects to all configured nodes initially and will throw an exception if any node is down. Does this defeat the purpose of clustering? In my test, I have 10 threads, each creates a PB and HTTP cluster client and then goes on to execute a series of tests. From the attached log file, you can see every test thread is failing at connection the down node, even though there are four other nodes that can do the work.
Also, is the failover automatic or we have to catch the connection refused exception and creating a new client or just re-execute the method? Is using a load balancer a better way to handle failover/load balancing issue? Appreciate you insights and help. Best regards, -- Lei pbf clients = r1-riak-lei.lm4.eng.e-dialog.com,r2-riak-lei.lm4.eng.e-dialog.com,r3-riak-lei.lm4.eng.e-dialog.com,r4-riak-lei.lm4.eng.e-dialog.com,r5-riak-lei.lm4.eng.e-dialog.com http clients = r1-riak-lei.lm4.eng.e-dialog.com,r2-riak-lei.lm4.eng.e-dialog.com,r3-riak-lei.lm4.eng.e-dialog.com,r4-riak-lei.lm4.eng.e-dialog.com,r5-riak-lei.lm4.eng.e-dialog.com Looup patterns = folder_root_2_5_%s_%s SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/Users/legu/.m2/repository/ch/qos/logback/logback-classic/0.9.30/logback-classic-0.9.30.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/Users/legu/opensource-projects/logback-0.9.30/logback-classic-0.9.30.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/Users/legu/opensource-projects/apache-tomcat-6.0.35/lib/logback-classic-0.9.30.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. Exception in thread "Thread-11" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-5" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-9" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-4" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-2" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-8" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-10" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-7" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-3" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more Exception in thread "Thread-6" java.lang.RuntimeException: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:457) at com.edialog.riak.persistence.RiakPerfTest$PerfClient.run(RiakPerfTest.java:86) at java.lang.Thread.run(Thread.java:680) Caused by: com.basho.riak.client.http.response.RiakIORuntimeException: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:499) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:526) at com.basho.riak.client.http.util.ClientHelper.walk(ClientHelper.java:289) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:334) at com.basho.riak.client.http.RiakClient.walk(RiakClient.java:347) at com.basho.riak.client.raw.http.HTTPClientAdapter.linkWalk(HTTPClientAdapter.java:374) at com.basho.riak.client.raw.ClusterClient.linkWalk(ClusterClient.java:225) at com.basho.riak.client.query.LinkWalk.execute(LinkWalk.java:63) at com.edialog.persistence.riak.RiakClient.walk(RiakClient.java:437) ... 2 more Caused by: org.apache.http.conn.HttpHostConnectException: Connection to http://r4-riak-lei.lm4.eng.e-dialog.com:8098 refused at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:158) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:561) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732) at com.basho.riak.client.http.util.ClientHelper.executeMethod(ClientHelper.java:474) ... 10 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432) at java.net.Socket.connect(Socket.java:529) at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:123) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:148) ... 18 more 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