java - org.postgresql.util.PSQLException: No value specified for parameter 1. - Postgres -
i trying run preparedstatement , getting following exception.
org.postgresql.util.psqlexception: no value specified parameter 1. @ org.postgresql.core.v3.simpleparameterlist.checkallparametersset(simpleparameterlist.java:257) @ org.postgresql.core.v3.queryexecutorimpl.execute(queryexecutorimpl.java:284) @ org.postgresql.jdbc.pgstatement.executeinternal(pgstatement.java:428) @ org.postgresql.jdbc.pgstatement.execute(pgstatement.java:354) @ org.postgresql.jdbc.pgpreparedstatement.executewithflags(pgpreparedstatement.java:169) @ org.postgresql.jdbc.pgpreparedstatement.executequery(pgpreparedstatement.java:117) @ org.apache.tomcat.dbcp.dbcp2.delegatingpreparedstatement.executequery(delegatingpreparedstatement.java:82) @ org.apache.tomcat.dbcp.dbcp2.delegatingpreparedstatement.executequery(delegatingpreparedstatement.java:82) @ com.eventory.dao.managerdao.isexists(managerdao.java:62) @ com.eventory.create.web.msignup.dopost(msignup.java:44) @ javax.servlet.http.httpservlet.service(httpservlet.java:661) @ javax.servlet.http.httpservlet.service(httpservlet.java:742) @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:231) @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:166) @ org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52) @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:193) @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:166) @ org.apache.catalina.core.standardwrappervalve.invoke(standardwrappervalve.java:198) @ org.apache.catalina.core.standardcontextvalve.invoke(standardcontextvalve.java:96) @ org.apache.catalina.authenticator.authenticatorbase.invoke(authenticatorbase.java:478) @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:140) @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:80) @ org.apache.catalina.valves.abstractaccesslogvalve.invoke(abstractaccesslogvalve.java:650) @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:87) @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:342) @ org.apache.coyote.http11.http11processor.service(http11processor.java:799) @ org.apache.coyote.abstractprocessorlight.process(abstractprocessorlight.java:66) @ org.apache.coyote.abstractprotocol$connectionhandler.process(abstractprotocol.java:868) @ org.apache.tomcat.util.net.nioendpoint$socketprocessor.dorun(nioendpoint.java:1457) @ org.apache.tomcat.util.net.socketprocessorbase.run(socketprocessorbase.java:49) @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1149) @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:624) @ org.apache.tomcat.util.threads.taskthread$wrappingrunnable.run(taskthread.java:61) @ java.lang.thread.run(thread.java:748) sep 10, 2017 8:15:20 pm org.apache.catalina.core.standardwrappervalve invoke severe: servlet.service() servlet [com.eventory.create.web.msignup] in context path [/eventory] threw exception java.lang.illegalstateexception: cannot forward after response has been committed @ org.apache.catalina.core.applicationdispatcher.doforward(applicationdispatcher.java:321) @ org.apache.catalina.core.applicationdispatcher.forward(applicationdispatcher.java:311) @ com.eventory.create.web.msignup.dopost(msignup.java:52) @ javax.servlet.http.httpservlet.service(httpservlet.java:661) @ javax.servlet.http.httpservlet.service(httpservlet.java:742) @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:231) @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:166) @ org.apache.tomcat.websocket.server.wsfilter.dofilter(wsfilter.java:52) @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:193) @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:166) @ org.apache.catalina.core.standardwrappervalve.invoke(standardwrappervalve.java:198) @ org.apache.catalina.core.standardcontextvalve.invoke(standardcontextvalve.java:96) @ org.apache.catalina.authenticator.authenticatorbase.invoke(authenticatorbase.java:478) @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:140) @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:80) @ org.apache.catalina.valves.abstractaccesslogvalve.invoke(abstractaccesslogvalve.java:650) @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:87) @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:342) @ org.apache.coyote.http11.http11processor.service(http11processor.java:799) @ org.apache.coyote.abstractprocessorlight.process(abstractprocessorlight.java:66) @ org.apache.coyote.abstractprotocol$connectionhandler.process(abstractprotocol.java:868) @ org.apache.tomcat.util.net.nioendpoint$socketprocessor.dorun(nioendpoint.java:1457) @ org.apache.tomcat.util.net.socketprocessorbase.run(socketprocessorbase.java:49) @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1149) @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:624) @ org.apache.tomcat.util.threads.taskthread$wrappingrunnable.run(taskthread.java:61) @ java.lang.thread.run(thread.java:748) this method in managerdao causing exception.
public static boolean isexists(string managerid) { boolean st = false; // sql = "select managerid managerlogin"; try { pstmt = currentcon.preparestatement(get_manager_password); resultset rs = pstmt.executequery(); while (rs.next()) { string originalmid = rs.getstring("managerid"); if (originalmid.equals(managerid)) { st = true; } } } catch (sqlexception e) { // todo auto-generated catch block e.printstacktrace(); } return st; } the preparedstatement are
get_manager_password = "select pwd managerlogin managerid=?"; this working fine when using ms sql server. have switched postgres. there wrong query? please help.
you don't pass parameter managerid anywhere in query statement
should this:
pstmt = currentcon.preparestatement(get_manager_password); pstmt.setstring(1, managerid); resultset rs = pstmt.executequery(); //rest of code the rest of code not make sense comments of @realskeptic mention
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