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http://www.chengxuyuans.com/oracle/90720.html
select value from v$parameter where name = ‘processes‘;
alter system set processes = 300 scope = spfile;
java.sql.SQLException: Listener refused the connection with the following error:
ORA-12519, TNS:no appropriate service handler found
The Connection descriptor used by the client was:
localhost:1521:orcl
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:112)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:261)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:
414)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtensio
n.java:35)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
at java.sql.DriverManager.getConnection(DriverManager.java:571)
at java.sql.DriverManager.getConnection(DriverManager.java:215)
at com.supersit.service.impl.JdbcNZJGImpl.initConn(JdbcNZJGImpl.java:64)
at com.supersit.service.impl.JdbcNZJGImpl.getBussinessWays(JdbcNZJGImpl.
java:238)
at com.supersit.action.MarketEntityAction.marketToPhone(MarketEntityActi
on.java:1221)
at sun.reflect.GeneratedMethodAccessor597.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultA
ctionInvocation.java:453)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(Defa
ultActionInvocation.java:292)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:255)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.interce
pt(DebuggingInterceptor.java:256)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doInte
rcept(DefaultWorkflowInterceptor.java:176)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(V
alidationInterceptor.java:265)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterce
ptor.doIntercept(AnnotationValidationInterceptor.java:68)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.interc
ept(ConversionErrorInterceptor.java:138)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept
(ParametersInterceptor.java:236)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept
(ParametersInterceptor.java:236)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.inter
cept(StaticParametersInterceptor.java:190)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(Multi
selectInterceptor.java:75)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(Checkbox
Interceptor.java:90)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUp
loadInterceptor.java:243)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(
ModelDrivenInterceptor.java:100)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.inte
rcept(ScopedModelDrivenInterceptor.java:141)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(Cha
iningInterceptor.java:145)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(Pr
epareInterceptor.java:171)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInt
erceptor.java:176)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(Ser
vletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasI
nterceptor.java:192)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.inter
cept(ExceptionMappingInterceptor.java:187)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:249)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.j
ava:54)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.jav
a:511)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(Exec
uteOperations.java:77)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
.doFilter(StrutsPrepareAndExecuteFilter.java:91)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:188)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterIntern
al(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerR
equestFilter.java:90)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:879)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.p
rocessConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:689)
at java.lang.Thread.run(Thread.java:744)
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原文地址：http://www.cnblogs.com/zshboke-2015/p/4580070.html
