title: Unable to deploy Spring boot 2 application due to HikariPool Exception during pool initialization
body: <p>I am unable to deploy Spring boot 2 application, due to Hikari Pool Initialization exception.</p>
  
  <p>The error log is</p>
  
  <pre><code>com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Exception during pool initialization.
      java.sql.SQLException: ORA-01017: invalid username/password; logon denied
          at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:494)
          at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:441)
          at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:436)
          at oracle.jdbc.driver.T4CTTIfun.processError(T4CTTIfun.java:1061)
          at oracle.jdbc.driver.T4CTTIoauthenticate.processError(T4CTTIoauthenticate.java:550)
          at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:623)
          at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:252)
          at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:499)
          at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:1279)
          at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:663)
          at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:688)
          at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:39)
          at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:691)
          at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:117)
          at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:123)
          at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:365)
          at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:194)
          at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:460)
          at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:534)
          at com.zaxxer.hikari.pool.HikariPool.&lt;init&gt;(HikariPool.java:115)
          at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
          at com.zaxxer.hikari.HikariDataSource$$FastClassBySpringCGLIB$$eeb1ae86.invoke(&lt;generated&gt;)
          at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
          at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)
          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
          at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136)
          at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124)
          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
          at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
          at com.zaxxer.hikari.HikariDataSource$$EnhancerBySpringCGLIB$$bcc0d23a.getConnection(&lt;generated&gt;)
          at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151)
          at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)
          at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)
          at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:324)
          at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.getProduct(DataSourceHealthIndicator.java:122)
          at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doDataSourceHealthCheck(DataSourceHealthIndicator.java:109)
          at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doHealthCheck(DataSourceHealthIndicator.java:104)
          at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:84)
          at org.springframework.boot.actuate.health.CompositeHealthIndicator.health(CompositeHealthIndicator.java:68)
          at org.springframework.boot.actuate.health.HealthEndpointWebExtension.getHealth(HealthEndpointWebExtension.java:50)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:498)
          at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:223)
          at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:76)
          at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:61)
          at org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$ServletWebOperationAdapter.handle(AbstractWebMvcEndpointHandlerMapping.java:243)
          at org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$OperationHandler.handle(AbstractWebMvcEndpointHandlerMapping.java:299)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:498)
          at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209)
          at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
          at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:877)
          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:783)
          at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
          at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991)
          at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
          at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)
          at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
          at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
          at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
          at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:215)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
          at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:155)
          at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:123)
          at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:108)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at com.paysafe.ss.logging.LoggerFilter.doFilterInternal(LoggerFilter.java:114)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.oneplatform.commons.framework.rest.exception.ExceptionHandlerFilter.doFilterInternal(ExceptionHandlerFilter.java:43)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at com.paysafe.ss.logging.correlation.InternalHeadersFilter.doFilterInternal(InternalHeadersFilter.java:75)
          at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
          at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
          at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
          at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
          at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
          at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
          at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
          at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
          at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
          at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
          at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
          at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
          at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
          at org.eclipse.jetty.server.Server.handle(Server.java:531)
          at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)
          at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
          at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)
          at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
          at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
          at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
          at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
          at java.lang.Thread.run(Thread.java:745)
  </code></pre>
  
  <p>The application is getting deployed </p>
  
  <pre><code>  **Sample Application**
      Local:      http://127.0.0.1:8284
      External:   http://172.18.103.16:8284
  </code></pre>
  
  <p>After getting deployed, its trying to initialize the Hikari Pool and failing with invalid username/password. I had provided the correct credentials and was able to connect to Oracle database with sql developer.</p>
  
  <p><strong>application.yml</strong></p>
  
  <pre><code>info:
    app:
      name: ${spring.application.name}
      description:  '@application.description@'
      version: '@application.version@'
      group: '@application.group@'
      gitCurrentBranch: '@application.current.branch@'
      gitChangeSet: '@application.latest.revision@'
      buildDate: '@application.timestamp@'
      component: Oneplatform
      category: Samples
      restApi: true
      usingDatabase: true
  
  security:
    basic:
      enabled: false
  
  spring:
    cloud:
      netflix:
        metrics:
          enabled: false
    datasource:
      dataSourceClassName: oracle.jdbc.pool.OracleDataSource
      url: ${datasource.url:jdbc:oracle:thin:@&lt;hostname&gt;:&lt;port&gt;/orcl}
      username: ${datasource.username:username}
      password: ${datasource.password:password}
      connectionTimeout: ${datasource.connection.timeout:45000}
      maxLifetime: ${datasource.max.lifetime:28000000}
      maximumPoolSize: ${datasource.maximum.pool_size:5}
      cachePrepStmts: ${datasource.cache.prep.stmts:true}
      prepStmtCacheSize: ${datasource.prep.stmt.cache.size:250}
      prepStmtCacheSqlLimit: ${datasource.prep.stmt.cache.sql.limit:2048}
      useServerPrepStmts: ${datasource.use.server.prep.stms:true}
    jpa:
      database: ORACLE
      show-sql: true
      generate-ddl: false
      hibernate:
        ddl-auto: none
      properties:
        hibernate:
          dialect: org.hibernate.dialect.Oracle10gDialect
          id:
            new_generator_mappings: true
          jadira:
            usertype:
              javaZone: UTC
              databaseZone: UTC        
    rabbitmq:
      addresses: localhost:5672
      username: oneplatform
      password: test1234
      virtual-host: localPlatform
  
    liquibase:
      contexts: ${deployment.environment.name}
      change-log: classpath:db/mpp/changelog/db.changelog-master.yaml
      enabled: false
  
  rest:
    correlationId:
      acceptPattern: (/v\d.*)|(/business-portal/v\d/.*)
    logger:
      acceptPattern: (/v\d.*)|(/business-portal/v\d/.*)    
  
  deployment:
    environment:
      name: ${deployment.environment:local}
  
  metrics:
    jmx.enabled: true
    spark:
      enabled: false
      host: localhost
      port: 9999
    graphite:
      enabled: false
      host: localhost
      port: 2003
      prefix: jhipster
  
  cache:
    timeToLiveSeconds: 3600
    ehcache:
      maxBytesLocalHeap: 16M
  </code></pre>
  
  <p>Versions we are using:</p>
  
  <pre><code>springBootVersion = "2.0.4.RELEASE"
  oracleDriver = "12.2.0.1"
  </code></pre>
  
  <p>I was able to connect to deploy my application locally, but not in the environment. Am I missing anything in the configuration.</p>