database - java.sql.SQLNonTransientConnectionException:Keyspace names must be composed of alphanumerics and underscores (parsed: '') -


i'm trying connect cassandra db , verify users login , sign i'm getting error:

keyspace names must composed of alphanumerics , underscores (parsed: '')     @ org.apache.cassandra.cql.jdbc.utils.parseurl(utils.java:195)     @ org.apache.cassandra.cql.jdbc.cassandradriver.connect(cassandradriver.java:85)     @ java.sql.drivermanager.getconnection(drivermanager.java:571)     @ java.sql.drivermanager.getconnection(drivermanager.java:215)     @ com.rest.inndata.services.connectcassandra.createconnection(connectcassandra.java:56)     @ com.rest.inndata.services.callgoad.checkuser(callgoad.java:1123)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:606)     @ com.sun.jersey.spi.container.javamethodinvokerfactory$1.invoke(javamethodinvokerfactory.java:60)     @ com.sun.jersey.server.impl.model.method.dispatch.abstractresourcemethoddispatchprovider$typeoutinvoker._dispatch(abstractresourcemethoddispatchprovider.java:185)     @ com.sun.jersey.server.impl.model.method.dispatch.resourcejavamethoddispatcher.dispatch(resourcejavamethoddispatcher.java:75)     @ com.sun.jersey.server.impl.uri.rules.httpmethodrule.accept(httpmethodrule.java:302)     @ com.sun.jersey.server.impl.uri.rules.righthandpathrule.accept(righthandpathrule.java:147)     @ com.sun.jersey.server.impl.uri.rules.resourceclassrule.accept(resourceclassrule.java:108)     @ com.sun.jersey.server.impl.uri.rules.righthandpathrule.accept(righthandpathrule.java:147)     @ com.sun.jersey.server.impl.uri.rules.rootresourceclassesrule.accept(rootresourceclassesrule.java:84)     @ com.sun.jersey.server.impl.application.webapplicationimpl._handlerequest(webapplicationimpl.java:1480)     @ com.sun.jersey.server.impl.application.webapplicationimpl._handlerequest(webapplicationimpl.java:1411)     @ com.sun.jersey.server.impl.application.webapplicationimpl.handlerequest(webapplicationimpl.java:1360)     @ com.sun.jersey.server.impl.application.webapplicationimpl.handlerequest(webapplicationimpl.java:1350)     @ com.sun.jersey.spi.container.servlet.webcomponent.service(webcomponent.java:416)     @ com.sun.jersey.spi.container.servlet.servletcontainer.service(servletcontainer.java:538)     @ com.sun.jersey.spi.container.servlet.servletcontainer.service(servletcontainer.java:716)     @ javax.servlet.http.httpservlet.service(httpservlet.java:723)     @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:290)     @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:206)     @ org.apache.catalina.core.standardwrappervalve.invoke(standardwrappervalve.java:233)     @ org.apache.catalina.core.standardcontextvalve.invoke(standardcontextvalve.java:191)     @ org.apache.catalina.authenticator.authenticatorbase.invoke(authenticatorbase.java:470)     @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:127)     @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:103)         @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:109)

removed spaces while creating keyspace.


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