I am trying to connect to Oracle using Slick.
I got the slick-extensions_2.10-1.0.0.jar.
Added the line below in Scala
Database.forURL("jdbc:oracle:thin:#myhost:myport:dbalias", "myid", "mypwd", null, driver =
"com.typesafe.slick.driver.oracle.OracleDriver") withSession {.......}
What is the right URL to use for this driver since I got the following error:
Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:#myhost:myport:dbalias
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at scala.slick.session.Database$$anon$2.createConnection(Database.scala:105)
at scala.slick.session.BaseSession.conn$lzycompute(Session.scala:207)
at scala.slick.session.BaseSession.conn(Session.scala:207)
at scala.slick.session.BaseSession.close(Session.scala:221)
at scala.slick.session.Database.withSession(Database.scala:38)
at scala.slick.session.Database.withSession(Database.scala:46)
It seems you did not make the oracle jdbc driver available in classpath when running your program.
Related
I connected my Liquibase to My Oracle (OCI Cloud) Database using REST JDBC driver (https://www.oracle.com/database/sqldeveloper/technologies/db-actions/download/).
I have ORDS and rest enabled schema.
SQLcl Liquibase
I can, without problems, connect to it with SQLcl and run queries (through REST JDBC driver) But, when I try to run, e.g. "lb status" command, I receive an error message "Method getSchema() in ORest connection not supported."
Core Liquibase
In my properties file, I defined "driver: oracle.dbtools.jdbc.Driver", and I have this driver in my liquibase/lib directory. When I run, e.g. "liquibase status" command, I receive an error:
Unexpected error running Liquibase: oracle/dbtools/http/SessionException
- Caused by: oracle.dbtools.http.SessionException
java.lang.NoClassDefFoundError: oracle/dbtools/http/SessionException
at oracle.dbtools.jdbc.Driver.connect(Driver.java:54)
at liquibase.database.jvm.JdbcConnection.open(JdbcConnection.java:83)
at com.datical.liquibase.ext.database.jvm.ProJdbcConnection.open(Unknown Source)
at liquibase.database.ConnectionServiceFactory.create(ConnectionServiceFactory.java:32)
at liquibase.database.DatabaseFactory.openConnection(DatabaseFactory.java:217)
at liquibase.database.DatabaseFactory.openConnection(DatabaseFactory.java:178)
at liquibase.database.DatabaseFactory.openDatabase(DatabaseFactory.java:143)
at liquibase.integration.commandline.CommandLineUtils.createDatabaseObject(CommandLineUtils.java:93)
at liquibase.integration.commandline.Main.doMigration(Main.java:1484)
at liquibase.integration.commandline.Main$1.lambda$run$0(Main.java:396)
at liquibase.Scope.lambda$child$0(Scope.java:180)
at liquibase.Scope.child(Scope.java:189)
at liquibase.Scope.child(Scope.java:179)
at liquibase.Scope.child(Scope.java:158)
at liquibase.integration.commandline.Main$1.run(Main.java:395)
at liquibase.integration.commandline.Main$1.run(Main.java:217)
at liquibase.Scope.child(Scope.java:189)
at liquibase.Scope.child(Scope.java:165)
at liquibase.integration.commandline.Main.run(Main.java:217)
at liquibase.command.AbstractCliWrapperCommandStep.run(AbstractCliWrapperCommandStep.java:33)
at liquibase.command.CommandScope.execute(CommandScope.java:172)
at liquibase.integration.commandline.CommandRunner.call(CommandRunner.java:55)
at liquibase.integration.commandline.CommandRunner.call(CommandRunner.java:24)
at picocli.CommandLine.executeUserObject(CommandLine.java:2041)
at picocli.CommandLine.access$1500(CommandLine.java:148)
at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2461)
at picocli.CommandLine$RunLast.handle(CommandLine.java:2453)
at picocli.CommandLine$RunLast.handle(CommandLine.java:2415)
at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2273)
at picocli.CommandLine$RunLast.execute(CommandLine.java:2417)
at picocli.CommandLine.execute(CommandLine.java:2170)
at liquibase.integration.commandline.LiquibaseCommandLine.lambda$execute$1(LiquibaseCommandLine.java:352)
at liquibase.Scope.child(Scope.java:189)
at liquibase.Scope.child(Scope.java:165)
at liquibase.integration.commandline.LiquibaseCommandLine.execute(LiquibaseCommandLine.java:317)
at liquibase.integration.commandline.LiquibaseCommandLine.main(LiquibaseCommandLine.java:84)
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 liquibase.integration.commandline.LiquibaseLauncher.main(LiquibaseLauncher.java:107)
Caused by: java.lang.ClassNotFoundException: oracle.dbtools.http.SessionException
at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
I am experiencing a very strange problem , I have few Junit test cases which create JDBC Oracle connection and close when they are done. For example I have 5 junit
FetchTest
InsertTest
UpdateTest
DeleteTest
First 2 test cases are running perfectly fine, But when 3rd test case is try to connect to Oracle through JDBC its through Exception
Exception occured while creating connection object using DriverManager
at java.net.SocketOutputStream.socketWrite0(Native Method) at
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:113)
at java.net.SocketOutputStream.write(SocketOutputStream.java:159) at
oracle.net.ns.DataPacket.send(DataPacket.java:199) at
oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211) at
oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:175) at
oracle.net.ns.NetInputStream.read(NetInputStream.java:100) at
oracle.net.ns.NetInputStream.read(NetInputStream.java:85) at
oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:122)
at
oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:78)
at
oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1179)
at
oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1155)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:279) at
oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186) at
oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:366)
at
oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:752)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:359) at
oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:531)
at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:221)
at
oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503) at
java.sql.DriverManager.getConnection(DriverManager.java:571) at
java.sql.DriverManager.getConnection(DriverManager.java:215)
And then my 4th Test will also run fine, getting connection and deleting data as expected.
I also tried to ignore 3rd Test case, And then the 4th test case giving same Exception.
What are the possible cause of this exception ?
Is this any issue with time ? Because this exception occur in daily build in Jenkins
java.sql.SQLRecoverableException: IO Error: Connection reset by peer: socket write error
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:421)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
I am using Pentaho Data Integration and I am trying to connect to Hive but when i am trying to do so, i am getting below error.....
Error connecting to database [Hive] : org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database
Error connecting to database: (using class org.apache.hadoop.hive.jdbc.HiveDriver)
org.apache.thrift.transport.TTransportException
org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database
Error connecting to database: (using class org.apache.hadoop.hive.jdbc.HiveDriver)
org.apache.thrift.transport.TTransportException
at org.pentaho.di.core.database.Database.normalConnect(Database.java:428)
at org.pentaho.di.core.database.Database.connect(Database.java:361)
at org.pentaho.di.core.database.Database.connect(Database.java:314)
at org.pentaho.di.core.database.Database.connect(Database.java:302)
at org.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:80)
at org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2685)
at org.pentaho.di.ui.core.database.dialog.DatabaseDialog.test(DatabaseDialog.java:109)
at org.pentaho.di.ui.core.database.wizard.CreateDatabaseWizardPage2.test(CreateDatabaseWizardPage2.java:157)
at org.pentaho.di.ui.core.database.wizard.CreateDatabaseWizardPage2$3.widgetSelected(CreateDatabaseWizardPage2.java:147)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
at org.eclipse.jface.window.Window.open(Window.java:796)
at org.pentaho.di.ui.core.database.wizard.CreateDatabaseWizard.createAndRunDatabaseWizard(CreateDatabaseWizard.java:111)
using settings as localhost, port as 8888 and database as default....
Kindly help, awaiting for your reply....
Regards,
Jiten Pansara
What Hadoop distribution are you using? If you are not using Apache Hadoop 0.20.x, then you will have to configure PDI by setting certain properties, see the following Wiki page for more details on how to set up Pentaho for a particular Hadoop distribution:
http://wiki.pentaho.com/display/BAD/Configuring+Pentaho+for+your+Hadoop+Distro+and+Version
Did you edit plugin.properties in the plugin folder??
data-integration > plugins > pentaho-big-data-plugin > plugin.properties
change the property "active.hadoop.configuration" to the hadoop distribution you are using, eg :
active.hadoop.configuration=hdp20
This might solve the issue.
I am trying to follow the direction to setup the Virgo sample project greenpages ( http://www.eclipse.org/virgo/documentation/greenpages-documentation-2.4.0.RELEASE/docs/html/ch02s03.html ). When i execute the data script I get an exception.
The database is started like so:
start java -cp ";C:\Users\flowersj\.m2\repository\com\h2database\h2\1.3.161\h2-1.3.161.jar"
org.h2.tools.Server
The script to insert data that fails on this line:
java -cp ";C:\Users\flowersj\.m2\repository\com\h2database\h2\1.3.161\h2-1.3.161.jar"
org.h2.tools.RunScript
-url jdbc:h2:tcp://localhost/~/greenpages-db/greenpages
-user greenpages -password pass -script db.sql
The exception is:
Exception in thread "main" org.h2.jdbc.JdbcSQLException: Database may be already in use: "Locked by another process". Possible solutions: close all other connection(s); use the server mode [90020-161]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
at org.h2.message.DbException.get(DbException.java:169)
at org.h2.message.DbException.get(DbException.java:146)
at org.h2.store.FileLock.getExceptionAlreadyInUse(FileLock.java:435)
at org.h2.store.FileLock.lockFile(FileLock.java:332)
at org.h2.store.FileLock.lock(FileLock.java:128)
at org.h2.engine.Database.open(Database.java:539)
at org.h2.engine.Database.openDatabase(Database.java:219)
at org.h2.engine.Database.<init>(Database.java:214)
at org.h2.engine.Engine.openSession(Engine.java:56)
at org.h2.engine.Engine.openSession(Engine.java:159)
at org.h2.engine.Engine.createSessionAndValidate(Engine.java:138)
at org.h2.engine.Engine.createSession(Engine.java:121)
at org.h2.server.TcpServerThread.run(TcpServerThread.java:124)
at java.lang.Thread.run(Unknown Source)
at org.h2.engine.SessionRemote.done(SessionRemote.java:538)
at org.h2.engine.SessionRemote.initTransfer(SessionRemote.java:109)
at org.h2.engine.SessionRemote.connectServer(SessionRemote.java:373)
at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:267)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:110)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:94)
at org.h2.Driver.connect(Driver.java:72)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.h2.tools.RunScript.process(RunScript.java:312)
at org.h2.tools.RunScript.runTool(RunScript.java:140)
at org.h2.tools.RunScript.main(RunScript.java:68)
I found that I cannot have the Virgo server running at the same time as I execute the data.bat script. I thought that it was started in a mode that supported multiple connections.
We are running more than 2000 junit, Most of the tests connect to an Oracle database with jdbc calls. We have a problem with very few of the tests that can not connect to the DB for some reason. Here is some background:
We are running the tests in a CI server - Jenkins
Tests are being run by ANT with <junit> task with fork="true"
Only few of the tests fail with Could not connect to database error, it's not consistent, sometimes they fail and sometimes not.
The tests that fail are usually the first tests in each test suite
The rest of the tests that also connect to the db do not fail.
So far we have no luck in solving it.
Anyone encountered something similar ?
Here's a stack trace:
Error Message
Could not connect to database using the connect string jdbc:oracle:thin:R71/R71#abc.def:1521:DB11g
Stacktrace
java.lang.RuntimeException: Could not connect to database using the connect string jdbc:oracle:thin:R71/R71#abc.def:1521:DB11g
at com.abc.common.dao.JDBCUtils.getThinConnection(JDBCUtils.java:257)
at com.abc.common.dao.JDBCUtils.getConnection(JDBCUtils.java:115)
at com.abc.common.dao.JDBCUtils.queryForInt(JDBCUtils.java:714)
at com.abc.test.utils.MetaDataLanguageDBTest.testMetaDataLanguages(MetaDataLanguageDBTest.java:13)
Caused by: java.sql.SQLRecoverableException: IO Error: Connection reset
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:428)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:536)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:228)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:207)
at com.abc.common.dao.JDBCUtils.getThinConnection(JDBCUtils.java:254)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at oracle.net.ns.DataPacket.send(DataPacket.java:199)
at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211)
at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:123)
at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:79)
at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1122)
at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1099)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:288)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191)
at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:366)
at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:752)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:366)
Standard Error
java.sql.SQLRecoverableException: IO Error: Connection reset
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:428)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:536)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:228)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:207)
at com.abc.common.dao.JDBCUtils.getThinConnection(JDBCUtils.java:254)
at com.abc.common.dao.JDBCUtils.getConnection(JDBCUtils.java:115)
at com.abc.common.dao.JDBCUtils.queryForInt(JDBCUtils.java:714)
at com.abc.test.utils.MetaDataLanguageDBTest.testMetaDataLanguages(MetaDataLanguageDBTest.java:13)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:421)
at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:912)
at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:766)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at oracle.net.ns.DataPacket.send(DataPacket.java:199)
at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211)
at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:123)
at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:79)
at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1122)
at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1099)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:288)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:191)
at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:366)
at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:752)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:366)
... 25 more
Thanks.
I know this question is super old, but I just had the same problem. The solution for me was to add the following environment variable to my tests:
-Djava.security.egd=file:///dev/urandom
In short, the Oracle JDBC driver uses /dev/random by default, which can block if there isn't enough entropy on the system. The full explanation can be found in this answer.
It could be that you are running out of connections. I would try using a DataSource backed by a connection pool instead.