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Merged
merged 1 commit into from
Jun 23, 2017
Merged

Compare MySQL server and client time method. #174

merged 1 commit into from
Jun 23, 2017

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hiroyuki-sato
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Summaries

@hito4t
This is the same implementation embulk/embulk-input-jdbc#106
This PR enable the embulk-output-mysql compare between a server and client timezone.
After comparison, output the following logs.

2017-05-24 21:18:13.840 +0900 [WARN] (0001:transaction): The client timezone(Asia/Tokyo) is different from the server timezone(UTC). The plugin will store wrong datetime values.
2017-05-24 21:18:13.841 +0900 [WARN] (0001:transaction): You may need to set options `useLegacyDatetimeCode` and `serverTimezone`
2017-05-24 21:18:13.841 +0900 [WARN] (0001:transaction): Example. `options: { useLegacyDatetimeCode: false, serverTimezone: UTC }`
2017-05-24 21:18:13.841 +0900 [WARN] (0001:transaction): The plugin will set `useLegacyDatetimeCode=false` by default in future.
  • I need the following works.
    • Update Connector/J (For fix case3 exception)
    • Add SSL option support.

Test environment.

  • MySQL Server
    • Server timezone: 'UTC' launch daemon TZ=UTC mysql.server start
    • OS: macOS: 10.12.5
    • MySQL: 5.7.18 (Homebrew)
  • Client
    • OS: macOS: 10.12.5
    • Client timezone: 'Asia/Tokyo'
    • Connector/J: 5.1.34 (current version)

load data

id,account,time,purchase,comment
1,32864,2015-01-27 00:00:00,20150127,field1
2,14824,2015-01-28 01:01:01,20150127,field2
3,27559,2015-01-29 02:02:02,20150128,field3
4,11270,2015-01-30 03:03:03,20150129,field4

time is the important field.

time
2015-01-27 00:00:00
2015-01-28 01:01:01
2015-01-29 02:02:02
2015-01-30 03:03:03

Test summaries

  • Case1: options: { useLegacyDatetimeCode: false, serverTimezone: UTC }
  • Case2: options: {}
  • Case3: options: { useLegacyDatetimeCode: false }
No connection time
1 OK OK
2 OK lag 9 hour
3 NG -

log

Case1

mysql> select time from time_out_test;
+---------------------+
| time                |
+---------------------+
| 2015-01-27 00:00:00 |
| 2015-01-28 01:01:01 |
| 2015-01-29 02:02:02 |
| 2015-01-30 03:03:03 |
+---------------------+
4 rows in set (0.00 sec)

Case2

inserted wrong time.

mysql> select time from time_out_test;
+---------------------+
| time                |
+---------------------+
| 2015-01-27 09:00:00 |
| 2015-01-28 10:01:01 |
| 2015-01-29 11:02:02 |
| 2015-01-30 12:03:03 |
+---------------------+
4 rows in set (0.00 sec)

Case3

Got runtime exception.

2017-05-24 21:13:50.146 +0900 [INFO] (0001:transaction): Loaded plugin embulk/output/mysql from a load path
2017-05-24 21:13:50.188 +0900 [INFO] (0001:transaction): Listing local files at directory 'example/csv' filtering filename by prefix 'sample_'
2017-05-24 21:13:50.189 +0900 [INFO] (0001:transaction): "follow_symlinks" is set false. Note that symbolic links to directories are skipped.
2017-05-24 21:13:50.192 +0900 [INFO] (0001:transaction): Loading files [example/csv/sample_01.csv]
2017-05-24 21:13:50.243 +0900 [INFO] (0001:transaction): Using local thread executor with max_threads=8 / output tasks 4 = input tasks 1 * 4
2017-05-24 21:13:50.265 +0900 [INFO] (0001:transaction): Connecting to jdbc:mysql://127.0.0.1:3306/embulk_test options {user=root, useLegacyDatetimeCode=false, tcpKeepAlive=true, useCompression=true, rewriteBatchedStatements=true, connectTimeout=300000, socketTimeout=1800000}
2017-05-24 21:13:50.504 +0900 [ERROR] (0001:transaction): Operation failed (0:08001)
org.embulk.exec.PartialExecutionException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
	at org.embulk.exec.BulkLoader$LoaderState.buildPartialExecuteException(org/embulk/exec/BulkLoader.java:373)
	at org.embulk.exec.BulkLoader.doRun(org/embulk/exec/BulkLoader.java:591)
	at org.embulk.exec.BulkLoader.access$000(org/embulk/exec/BulkLoader.java:33)
	at org.embulk.exec.BulkLoader$1.run(org/embulk/exec/BulkLoader.java:389)
	at org.embulk.exec.BulkLoader$1.run(org/embulk/exec/BulkLoader.java:385)
	at org.embulk.spi.Exec.doWith(org/embulk/spi/Exec.java:25)
	at org.embulk.exec.BulkLoader.run(org/embulk/exec/BulkLoader.java:385)
	at org.embulk.EmbulkEmbed.run(org/embulk/EmbulkEmbed.java:180)
	at java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:498)
	at org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(org/jruby/javasupport/JavaMethod.java:453)
	at org.jruby.javasupport.JavaMethod.invokeDirect(org/jruby/javasupport/JavaMethod.java:314)
	at RUBY.run(/Users/user/.embulk/bin/embulk!/embulk/runner.rb:84)
	at RUBY.run(/Users/user/.embulk/bin/embulk!/embulk/command/embulk_run.rb:269)
	at RUBY.<main>(/Users/user/.embulk/bin/embulk!/embulk/command/embulk_main.rb:2)
	at org.jruby.Ruby.runInterpreter(org/jruby/Ruby.java:850)
	at org.jruby.Ruby.loadFile(org/jruby/Ruby.java:2976)
	at org.jruby.RubyKernel.requireCommon(org/jruby/RubyKernel.java:963)
	at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:956)
	at org.jruby.RubyKernel$INVOKER$s$1$0$require19.call(org/jruby/RubyKernel$INVOKER$s$1$0$require19.gen)
	at RUBY.(root)(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1)
	at Users.user.$_dot_embulk.bin.embulk.embulk.command.embulk_bundle.invokeOther66:require(Users/user/$_dot_embulk/bin/embulk/embulk/command/file:/Users/user/.embulk/bin/embulk!/embulk/command/embulk_bundle.rb:51)
	at Users.user.$_dot_embulk.bin.embulk.embulk.command.embulk_bundle.<main>(file:/Users/user/.embulk/bin/embulk!/embulk/command/embulk_bundle.rb:51)
	at java.lang.invoke.MethodHandle.invokeWithArguments(java/lang/invoke/MethodHandle.java:627)
	at org.jruby.Ruby.runScript(org/jruby/Ruby.java:834)
	at org.jruby.Ruby.runNormally(org/jruby/Ruby.java:749)
	at org.jruby.Ruby.runNormally(org/jruby/Ruby.java:767)
	at org.jruby.Ruby.runFromMain(org/jruby/Ruby.java:580)
	at org.jruby.Main.doRunFromMain(org/jruby/Main.java:425)
	at org.jruby.Main.internalRun(org/jruby/Main.java:313)
	at org.jruby.Main.run(org/jruby/Main.java:242)
	at org.jruby.Main.main(org/jruby/Main.java:204)
	at org.embulk.cli.Main.main(org/embulk/cli/Main.java:23)
	Suppressed: java.lang.NullPointerException
		at org.embulk.exec.BulkLoader.doCleanup(BulkLoader.java:494)
		at org.embulk.exec.BulkLoader$3.run(BulkLoader.java:425)
		at org.embulk.exec.BulkLoader$3.run(BulkLoader.java:421)
		at org.embulk.spi.Exec.doWith(Exec.java:25)
		at org.embulk.exec.BulkLoader.cleanup(BulkLoader.java:421)
		at org.embulk.EmbulkEmbed.run(EmbulkEmbed.java:184)
		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.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:453)
		at org.jruby.javasupport.JavaMethod.invokeDirect(JavaMethod.java:314)
		at org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:46)
		at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:338)
		at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:163)
		at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:315)
		at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
		at org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:90)
		at org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:214)
		at org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:200)
		at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:205)
		at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:358)
		at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:195)
		at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:324)
		at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
		at org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:84)
		at org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:179)
		at org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:165)
		at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:197)
		at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:338)
		at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:163)
		at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:315)
		at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
		at org.jruby.ir.interpreter.Interpreter.INTERPRET_ROOT(Interpreter.java:112)
		at org.jruby.ir.interpreter.Interpreter.execute(Interpreter.java:99)
		at org.jruby.ir.interpreter.Interpreter.execute(Interpreter.java:35)
		at org.jruby.ir.IRTranslator.execute(IRTranslator.java:42)
		at org.jruby.Ruby.runInterpreter(Ruby.java:850)
		at org.jruby.Ruby.loadFile(Ruby.java:2976)
		at org.jruby.runtime.load.LibrarySearcher$ResourceLibrary.load(LibrarySearcher.java:243)
		at org.jruby.runtime.load.LibrarySearcher$FoundLibrary.load(LibrarySearcher.java:34)
		at org.jruby.runtime.load.LoadService.tryLoadingLibraryOrScript(LoadService.java:885)
		at org.jruby.runtime.load.LoadService.smartLoadInternal(LoadService.java:525)
		at org.jruby.runtime.load.LoadService.require(LoadService.java:396)
		at org.jruby.RubyKernel.requireCommon(RubyKernel.java:963)
		at org.jruby.RubyKernel.require19(RubyKernel.java:956)
		at org.jruby.RubyKernel$INVOKER$s$1$0$require19.call(RubyKernel$INVOKER$s$1$0$require19.gen)
		at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodOneOrNBlock.call(JavaMethod.java:383)
		at org.jruby.internal.runtime.methods.AliasMethod.call(AliasMethod.java:61)
		at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:161)
		at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:315)
		at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
		at org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:84)
		at org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:179)
		at org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:165)
		at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:197)
		at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:338)
		at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:163)
		at Users.user.$_dot_embulk.bin.embulk.embulk.command.embulk_bundle.invokeOther66:require(file:/Users/user/.embulk/bin/embulk!/embulk/command/embulk_bundle.rb:51)
		at Users.user.$_dot_embulk.bin.embulk.embulk.command.embulk_bundle.RUBY$script(file:/Users/user/.embulk/bin/embulk!/embulk/command/embulk_bundle.rb:51)
		at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
		at org.jruby.ir.Compiler$1.load(Compiler.java:111)
		at org.jruby.Ruby.runScript(Ruby.java:834)
		at org.jruby.Ruby.runNormally(Ruby.java:749)
		at org.jruby.Ruby.runNormally(Ruby.java:767)
		at org.jruby.Ruby.runFromMain(Ruby.java:580)
		at org.jruby.Main.doRunFromMain(Main.java:425)
		at org.jruby.Main.internalRun(Main.java:313)
		at org.jruby.Main.run(Main.java:242)
		at org.jruby.Main.main(Main.java:204)
		at org.embulk.cli.Main.main(Main.java:23)
Caused by: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin.begin(AbstractJdbcOutputPlugin.java:397)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin.transaction(AbstractJdbcOutputPlugin.java:354)
	at org.embulk.exec.BulkLoader$4$1$1.transaction(BulkLoader.java:544)
	at org.embulk.exec.LocalExecutorPlugin.transaction(LocalExecutorPlugin.java:54)
	at org.embulk.exec.BulkLoader$4$1.run(BulkLoader.java:539)
	at org.embulk.spi.util.Filters$RecursiveControl.transaction(Filters.java:96)
	at org.embulk.spi.util.Filters.transaction(Filters.java:49)
	at org.embulk.exec.BulkLoader$4.run(BulkLoader.java:533)
	at org.embulk.spi.FileInputRunner$RunnerControl$1$1.run(FileInputRunner.java:126)
	at org.embulk.standards.CsvParserPlugin.transaction(CsvParserPlugin.java:225)
	at org.embulk.spi.FileInputRunner$RunnerControl$1.run(FileInputRunner.java:120)
	at org.embulk.spi.util.Decoders$RecursiveControl.transaction(Decoders.java:77)
	at org.embulk.spi.util.Decoders.transaction(Decoders.java:33)
	at org.embulk.spi.FileInputRunner$RunnerControl.run(FileInputRunner.java:117)
	at org.embulk.standards.LocalFileInputPlugin.resume(LocalFileInputPlugin.java:87)
	at org.embulk.standards.LocalFileInputPlugin.transaction(LocalFileInputPlugin.java:77)
	at org.embulk.spi.FileInputRunner.transaction(FileInputRunner.java:67)
	at org.embulk.exec.BulkLoader.doRun(BulkLoader.java:528)
	at org.embulk.exec.BulkLoader.access$000(BulkLoader.java:33)
	at org.embulk.exec.BulkLoader$1.run(BulkLoader.java:389)
	at org.embulk.exec.BulkLoader$1.run(BulkLoader.java:385)
	at org.embulk.spi.Exec.doWith(Exec.java:25)
	at org.embulk.exec.BulkLoader.run(BulkLoader.java:385)
	at org.embulk.EmbulkEmbed.run(EmbulkEmbed.java:180)
	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.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:453)
	at org.jruby.javasupport.JavaMethod.invokeDirect(JavaMethod.java:314)
	at org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:46)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:338)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:163)
	at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:315)
	at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
	at org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:90)
	at org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:214)
	at org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:200)
	at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:205)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:358)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:195)
	at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:324)
	at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
	at org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:84)
	at org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:179)
	at org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:165)
	at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:197)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:338)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:163)
	at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:315)
	at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
	at org.jruby.ir.interpreter.Interpreter.INTERPRET_ROOT(Interpreter.java:112)
	at org.jruby.ir.interpreter.Interpreter.execute(Interpreter.java:99)
	at org.jruby.ir.interpreter.Interpreter.execute(Interpreter.java:35)
	at org.jruby.ir.IRTranslator.execute(IRTranslator.java:42)
	at org.jruby.Ruby.runInterpreter(Ruby.java:850)
	at org.jruby.Ruby.loadFile(Ruby.java:2976)
	at org.jruby.runtime.load.LibrarySearcher$ResourceLibrary.load(LibrarySearcher.java:243)
	at org.jruby.runtime.load.LibrarySearcher$FoundLibrary.load(LibrarySearcher.java:34)
	at org.jruby.runtime.load.LoadService.tryLoadingLibraryOrScript(LoadService.java:885)
	at org.jruby.runtime.load.LoadService.smartLoadInternal(LoadService.java:525)
	at org.jruby.runtime.load.LoadService.require(LoadService.java:396)
	at org.jruby.RubyKernel.requireCommon(RubyKernel.java:963)
	at org.jruby.RubyKernel.require19(RubyKernel.java:956)
	at org.jruby.RubyKernel$INVOKER$s$1$0$require19.call(RubyKernel$INVOKER$s$1$0$require19.gen)
	at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodOneOrNBlock.call(JavaMethod.java:383)
	at org.jruby.internal.runtime.methods.AliasMethod.call(AliasMethod.java:61)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:161)
	at org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:315)
	at org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:73)
	at org.jruby.ir.interpreter.InterpreterEngine.interpret(InterpreterEngine.java:84)
	at org.jruby.internal.runtime.methods.MixedModeIRMethod.INTERPRET_METHOD(MixedModeIRMethod.java:179)
	at org.jruby.internal.runtime.methods.MixedModeIRMethod.call(MixedModeIRMethod.java:165)
	at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:197)
	at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:338)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:163)
	at Users.user.$_dot_embulk.bin.embulk.embulk.command.embulk_bundle.invokeOther66:require(file:/Users/user/.embulk/bin/embulk!/embulk/command/embulk_bundle.rb:51)
	at Users.user.$_dot_embulk.bin.embulk.embulk.command.embulk_bundle.RUBY$script(file:/Users/user/.embulk/bin/embulk!/embulk/command/embulk_bundle.rb:51)
	at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
	at org.jruby.ir.Compiler$1.load(Compiler.java:111)
	at org.jruby.Ruby.runScript(Ruby.java:834)
	at org.jruby.Ruby.runNormally(Ruby.java:749)
	at org.jruby.Ruby.runNormally(Ruby.java:767)
	at org.jruby.Ruby.runFromMain(Ruby.java:580)
	at org.jruby.Main.doRunFromMain(Main.java:425)
	at org.jruby.Main.internalRun(Main.java:313)
	at org.jruby.Main.run(Main.java:242)
	at org.jruby.Main.main(Main.java:204)
	at org.embulk.cli.Main.main(Main.java:23)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	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.connectOneTryOnly(ConnectionImpl.java:2311)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2064)
	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(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	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 org.embulk.output.mysql.MySQLOutputConnector.connect(MySQLOutputConnector.java:30)
	at org.embulk.output.mysql.MySQLOutputConnector.connect(MySQLOutputConnector.java:9)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin.newConnection(AbstractJdbcOutputPlugin.java:246)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin$1.run(AbstractJdbcOutputPlugin.java:388)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin$RetryableSQLExecution.call(AbstractJdbcOutputPlugin.java:1088)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin$RetryableSQLExecution.call(AbstractJdbcOutputPlugin.java:1076)
	at org.embulk.spi.util.RetryExecutor.run(RetryExecutor.java:100)
	at org.embulk.spi.util.RetryExecutor.runInterruptible(RetryExecutor.java:77)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin.withRetry(AbstractJdbcOutputPlugin.java:1061)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin.withRetry(AbstractJdbcOutputPlugin.java:1053)
	at org.embulk.output.jdbc.AbstractJdbcOutputPlugin.begin(AbstractJdbcOutputPlugin.java:385)
	... 88 more
Caused by: java.lang.NullPointerException
	at java.util.Properties$LineReader.readLine(Properties.java:434)
	at java.util.Properties.load0(Properties.java:353)
	at java.util.Properties.load(Properties.java:341)
	at com.mysql.jdbc.TimeUtil.loadTimeZoneMappings(TimeUtil.java:486)
	at com.mysql.jdbc.TimeUtil.getCanonicalTimezone(TimeUtil.java:404)
	at com.mysql.jdbc.ConnectionImpl.configureTimezone(ConnectionImpl.java:2009)
	at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3286)
	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2278)
	... 109 more

Error: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.

@hito4t hito4t merged commit 39c18fc into embulk:master Jun 23, 2017
@hito4t hito4t added this to the 0.7.9 milestone Jun 23, 2017
@hiroyuki-sato
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Thank you!

@hiroyuki-sato hiroyuki-sato deleted the mysql_timestamp branch June 23, 2017 05:26
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@hiroyuki-sato @hito4t