Unwatch Share HTTP ERROR: 503 Problem accessing /client. Reason: SERVICE_UNAVAILABLE
Asked by Akshit Patel:

Hello Nic Brough,

I use jetty 6.1 and cloudstack client 4.6.0 snapshot. Below are my full log file.In this log bold text is**error text that is find in log.** can you send me any solution for this on my email [aksh1150@gmail.com](mailto:aksh1150@gmail.com)?

at org.springframework.beans.factory.support.SimpleInstantiationStrategy  
.instantiate(SimpleInstantiationStrategy.java:121)  
at org.springframework.beans.factory.support.ConstructorResolver.autowir  
eConstructor(ConstructorResolver.java:277)  
... 65 more  
Caused by: com.cloud.utils.exception.CloudRuntimeException: Unable to initialize  
a connection to the database for locking purposes:  
at com.cloud.utils.db.Merovingian2.\<init\>(Merovingian2.java:74)  
at com.cloud.utils.db.Merovingian2.createLockMaster(Merovingian2.java:80  
)  
at com.cloud.server.LockMasterListener.\<init\>(LockMasterListener.java:33  
)  
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct  
orAccessorImpl.java:62)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC  
onstructorAccessorImpl.java:45)  
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)  
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:1  
48)  
... 67 more  
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:  
Could not create connection to database server. Attempted reconnect 3 times. Gi  
ving up.  
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct  
orAccessorImpl.java:62)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC  
onstructorAccessorImpl.java:45)  
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)  
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)  
at com.mysql.jdbc.Util.getInstance(Util.java:360)  
**at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)**   
**at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:935)**   
**at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:924)**   
**at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:870)**   
at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:  
2144)  
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2069)  
at com.mysql.jdbc.ConnectionImpl.\<init\>(ConnectionImpl.java:790)  
at com.mysql.jdbc.JDBC4Connection.\<init\>(JDBC4Connection.java:44)  
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct  
orAccessorImpl.java:62)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC  
onstructorAccessorImpl.java:45)  
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)  
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)  
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:395)  
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java  
:325)  
at java.sql.DriverManager.getConnection(DriverManager.java:664)  
at java.sql.DriverManager.getConnection(DriverManager.java:247)  
at org.apache.commons.dbcp.DriverManagerConnectionFactory.createConnecti  
on(DriverManagerConnectionFactory.java:75)  
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(Poolable  
ConnectionFactory.java:582)  
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericOb  
jectPool.java:1188)  
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSo  
urce.java:106)  
at com.cloud.utils.db.TransactionLegacy.getStandaloneConnectionWithExcep  
tion(TransactionLegacy.java:202)  
at com.cloud.utils.db.Merovingian2.\<init\>(Merovingian2.java:68)  
... 74 more  
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communicatio  
ns link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driv  
er has not received any packets from the server.  
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct  
orAccessorImpl.java:62)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC  
onstructorAccessorImpl.java:45)  
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)  
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)  
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1  
036)  
at com.mysql.jdbc.MysqlIO.\<init\>(MysqlIO.java:338)  
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2232)  
at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:  
2085)  
... 92 more  
Caused by: [java.net](http://java.net/).ConnectException: Connection refused: connect  
at [java.net](http://java.net/).DualStackPlainSocketImpl.connect0(Native Method)  
at [java.net](http://java.net/).DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketI  
mpl.java:79)  
at [java.net](http://java.net/).AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.ja  
va:345)  
at [java.net](http://java.net/).AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocket  
Impl.java:206)  
at [java.net](http://java.net/).AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java  
:188)  
at [java.net](http://java.net/).PlainSocketImpl.connect(PlainSocketImpl.java:172)  
at [java.net](http://java.net/).SocksSocketImpl.connect(SocksSocketImpl.java:392)  
at [java.net](http://java.net/).Socket.connect(Socket.java:589)  
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.ja  
va:213)  
at com.mysql.jdbc.MysqlIO.\<init\>(MysqlIO.java:297)  
... 94 more  
**\[WARNING\] Nested in org.springframework.beans.factory.BeanCreationException: Err**   
**or creating bean with name 'lockMasterListener' defined in URL \[jar:file:/C:/Use**   
**rs/akshi_000/.m2/repository/org/apache/cloudstack/cloud-server/4.6.0-SNAPSHOT/cl**   
**oud-server-4.6.0-SNAPSHOT.jar!/META-INF/cloudstack/system/spring-server-system-c**   
**ontext.xml\]: Instantiation of bean failed; nested exception is org.springframewo**   
**rk.beans.BeanInstantiationException: Could not instantiate bean class \[com.cloud**   
**.server.LockMasterListener\]: Constructor threw exception; nested exception is co**   
**m.cloud.utils.exception.CloudRuntimeException: Unable to initialize a connection**   
**to the database for locking purposes: :**   
[java.net](http://java.net/).ConnectException: Connection refused: connect  
at [java.net](http://java.net/).DualStackPlainSocketImpl.connect0(Native Method)  
at [java.net](http://java.net/).DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketI  
mpl.java:79)  
at [java.net](http://java.net/).AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.ja  
va:345)  
at [java.net](http://java.net/).AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocket  
Impl.java:206)  
at [java.net](http://java.net/).AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java  
:188)  
at [java.net](http://java.net/).PlainSocketImpl.connect(PlainSocketImpl.java:172)  
at [java.net](http://java.net/).SocksSocketImpl.connect(SocksSocketImpl.java:392)  
at [java.net](http://java.net/).Socket.connect(Socket.java:589)  
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.ja  
va:213)  
at com.mysql.jdbc.MysqlIO.\<init\>(MysqlIO.java:297)  
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2232)  
at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:  
2085)  
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2069)  
at com.mysql.jdbc.ConnectionImpl.\<init\>(ConnectionImpl.java:790)  
at com.mysql.jdbc.JDBC4Connection.\<init\>(JDBC4Connection.java:44)  
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct  
orAccessorImpl.java:62)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC  
onstructorAccessorImpl.java:45)  
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)  
at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)  
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:395)  
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java  
:325)  
at java.sql.DriverManager.getConnection(DriverManager.java:664)  
at java.sql.DriverManager.getConnection(DriverManager.java:247)  
at org.apache.commons.dbcp.DriverManagerConnectionFactory.createConnecti  
on(DriverManagerConnectionFactory.java:75)  
at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(Poolable  
ConnectionFactory.java:582)  
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericOb  
jectPool.java:1188)  
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSo  
urce.java:106)  
at com.cloud.utils.db.TransactionLegacy.getStandaloneConnectionWithExcep  
tion(TransactionLegacy.java:202)  
at com.cloud.utils.db.Merovingian2.\<init\>(Merovingian2.java:68)  
at com.cloud.utils.db.Merovingian2.createLockMaster(Merovingian2.java:80  
)  
at com.cloud.server.LockMasterListener.\<init\>(LockMasterListener.java:33  
)  
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct  
orAccessorImpl.java:62)  
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC  
onstructorAccessorImpl.java:45)  
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)  
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:1  
48)  
at org.springframework.beans.factory.support.SimpleInstantiationStrategy  
.instantiate(SimpleInstantiationStrategy.java:121)  
at org.springframework.beans.factory.support.ConstructorResolver.autowir  
eConstructor(ConstructorResolver.java:277)  
at org.springframework.beans.factory.support.AbstractAutowireCapableBean  
Factory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1077)  
at org.springframework.beans.factory.support.AbstractAutowireCapableBean  
Factory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:981)  
at org.springframework.beans.factory.support.AbstractAutowireCapableBean  
Factory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487)  
at org.springframework.beans.factory.support.AbstractAutowireCapableBean  
Factory.createBean(AbstractAutowireCapableBeanFactory.java:458)  
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getOb  
ject(AbstractBeanFactory.java:293)  
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistr  
y.getSingleton(DefaultSingletonBeanRegistry.java:223)  
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBe  
an(AbstractBeanFactory.java:290)  
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean  
(AbstractBeanFactory.java:191)  
at org.springframework.beans.factory.support.DefaultListableBeanFactory.  
preInstantiateSingletons(DefaultListableBeanFactory.java:636)  
at org.springframework.context.support.AbstractApplicationContext.finish  
BeanFactoryInitialization(AbstractApplicationContext.java:934)  
at org.springframework.context.support.AbstractApplicationContext.refres  
h(AbstractApplicationContext.java:479)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet.loadContext(DefaultModuleDefinitionSet.java:145)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet$2.with(DefaultModuleDefinitionSet.java:122)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet.withModule(DefaultModuleDefinitionSet.java:245)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet.withModule(DefaultModuleDefinitionSet.java:250)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet.withModule(DefaultModuleDefinitionSet.java:233)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet.loadContexts(DefaultModuleDefinitionSet.java:117)  
at org.apache.cloudstack.spring.module.model.impl.DefaultModuleDefinitio  
nSet.load(DefaultModuleDefinitionSet.java:79)  
at org.apache.cloudstack.spring.module.factory.ModuleBasedContextFactory  
.loadModules(ModuleBasedContextFactory.java:37)  
at org.apache.cloudstack.spring.module.factory.CloudStackSpringContext.i  
nit(CloudStackSpringContext.java:70)  
at org.apache.cloudstack.spring.module.factory.CloudStackSpringContext.\<  
init\>(CloudStackSpringContext.java:57)  
at org.apache.cloudstack.spring.module.factory.CloudStackSpringContext.\<  
init\>(CloudStackSpringContext.java:61)  
at org.apache.cloudstack.spring.module.web.CloudStackContextLoaderListen  
er.contextInitialized(CloudStackContextLoaderListener.java:52)  
at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.  
java:549)  
at org.mortbay.jetty.servlet.Context.startContext(Context.java:136)  
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.jav  
a:1282)  
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:  
518)  
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499  
)  
at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart(Jetty6Plug  
inWebAppContext.java:115)  
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:  
50)  
at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection  
.java:152)  
at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHan  
dlerCollection.java:156)  
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:  
50)  
at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection  
.java:152)  
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:  
50)  
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:  
130)  
at org.mortbay.jetty.Server.doStart(Server.java:224)  
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:  
50)  
at org.mortbay.jetty.plugin.Jetty6PluginServer.start(Jetty6PluginServer.  
java:132)  
at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMo  
jo.java:454)  
at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.  
java:396)  
at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute(AbstractJettyRu  
nMojo.java:210)  
at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java:184  
)  
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(Default  
BuildPluginManager.java:134)  
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor  
.java:208)  
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor  
.java:153)  
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor  
.java:145)  
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProje  
ct(LifecycleModuleBuilder.java:116)  
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProje  
ct(LifecycleModuleBuilder.java:80)  
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThre  
adedBuilder.build(SingleThreadedBuilder.java:51)  
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(Lifecycl  
eStarter.java:128)  
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)  
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)  
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)  
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)  
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)  
at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)  
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.  
java:62)  
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces  
sorImpl.java:43)  
at java.lang.reflect.Method.invoke(Method.java:497)  
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Laun  
cher.java:289)  
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.jav  
a:229)  
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(La  
uncher.java:415)  
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:  
356)  
\[INFO\] Started [SelectChannelConnector@0.0.0.0](mailto:SelectChannelConnector@0.0.0.0):8080  
\[INFO\] Started Jetty Server


Answers:
author: Nic Brough -Adaptavist-
body: Duplicate of [HTTP ERROR: 503 Problem accessing /client. Reason: SERVICE_UNAVAILABLE any solution for this?](https://answers.atlassian.com/questions/18809954)


Tags: cloud

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