JRuby 1.0 Release

JRuby 1.0 發布
最新推荐文章于 2018-02-12 16:23:00 发布
最新推荐文章于 2018-02-12 16:23:00 发布 · 101 阅读 · 0
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#jruby #Ruby

JRuby 1.0 版本已正式發布，這是一個備受期待的 Ruby 虛擬機版本。本次發布包括源碼包與二進制包，未來幾天將會有更多關於 JRuby 的介紹。
雖然 官網還沒有講，不過 Download 區已經有了1.0版了。將將將，Ruby 有始以來最受期待的 VM
JRuby 1.0 Release 啦～～～～～～～
我這裡為台灣地區 Mirror 一下檔案，這是 src 檔案，這是 bin 檔案。接下來的幾天，每天都要開始介紹 JRuby 的題目歐。
JRuby 0.9.9 Release
thegiive
04-26 165
好掉詭的版本編號，好像在倒數計時一樣。JRuby 0.9.9 release，主要的更新是在修正了很多 bugs ，並且又增加 40% 的 performance。對於 Rails 支援能力也變強了， Mephisto 可以在 JRuby 上面跑了。The JRuby community is pleased to announce the release of JRuby 0.9.9.Homep...
Using JRuby with Maven
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Using JRuby with Maven Using JRuby with Maven - Musings of a Programming AddictOne of the features new to Java 6 is its built-in supp...
JRuby Basics(JRuby基础)
Phoenix Nirvana
09-02 916
翻译自SUN的官方文档Topics主题• What is and what is not JRuby?什么是JRuby？• Why JRuby (over Ruby) & JRuby on Rails (Ruby on Rails)?为什么用JRuby替代Ruby？• Why (J)Ruby (over Java)?为什么用JRuby替代java？• Calling Java from JRuby
JRuby 0.9.9 Released
xl45591275
05-20 164
The JRuby community is pleased to announce the release of JRuby 0.9.9. Homepage: http://www.jruby.org/ Download: http://dist.codehaus.org/jruby/ This release has largely been a stabilization re...
JRuby ，Ruby 界的救世主？
thegiive
06-04 174
今天早上看到 ericsk’s blog 的 JRuby 1.0 開始倒數，就回去看 Charles Nutter 的原文 JRuby 1.0.0RC3 Released - And This Is It!，我發現到 JRuby 很多東西真的很值得一提。1. JRuby 1.0 這周上市6/3 JRuby 1.0 RC3 發佈，1.0 Release 也將在這周發表，他將是 Ruby 1.8.5 ...
Spring 5.0.3.RELEASE中的 Kotlin 语言等支持
AI天才研究院
02-12 8940
Spring 5.0.3.RELEASE中的 Kotlin 语言支持 https://docs.spring.io/spring/docs/current/spring-framework-reference/languages.html 返回目录 1. Kotlin Kotlin是静态类型语言定位的JVM（以及其他平台），它允许写简洁而优雅的代码...
Spring for Apache Hadoop 1.0
kky2010_110的专栏
10-22 3026
SpringSource发布了Spring for Apache Hadoop 1.0。开发者能够通过它编写基于Spring Framework的Hadoop应用，还能很容易地与Spring Batch和Spring Integration集成。Spring for Apache Hadoop是Spring Data大型项目的一个子项目，它基于开源的Apache 2.0许可发布。 Hadoo
Spring for Apache Hadoop 1.0发布
weixin_30809173的博客
03-30 90
SpringSource发布了Spring for Apache Hadoop 1.0。 开发者能够通过它编写基于Spring Framework的Hadoop应用，还能很容易地与Spring Batch和Spring Integration集成。Spring for Apache Hadoop是Spring Data大型项目的一个子项目，它基于开源的Apache 2.0许可发布。 Hadoop...
0.Maven构建spring项目（4.3.6.RELEASE）
qq_35779815的博客
01-18 959
POM.xml <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://...
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jar;C:\Users\sb171\.m2\repository\org\apache\thrift\libthrift\0.9.3\libthrift-0.9.3.jar;C:\Users\sb171\.m2\repository\org\apache\zookeeper\zookeeper\3.4.6\zookeeper-3.4.6.jar;C:\Users\sb171\.m2\repository\org\slf4j\slf4j-log4j12\1.6.1\slf4j-log4j12-1.6.1.jar;C:\Users\sb171\.m2\repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:\Users\sb171\.m2\repository\io\netty\netty\3.7.0.Final\netty-3.7.0.Final.jar;C:\Users\sb171\.m2\repository\org\apache\curator\curator-framework\2.12.0\curator-framework-2.12.0.jar;C:\Users\sb171\.m2\repository\org\apache\curator\curator-client\2.12.0\curator-client-2.12.0.jar;C:\Users\sb171\.m2\repository\org\slf4j\slf4j-api\1.7.10\slf4j-api-1.7.10.jar;C:\Users\sb171\.m2\repository\org\apache\hive\hive-upgrade-acid\3.1.2\hive-upgrade-acid-3.1.2.jar;C:\Users\sb171\.m2\repository\mysql\mysql-connector-java\8.0.30\mysql-connector-java-8.0.30.jar;C:\Users\sb171\.m2\repository\com\google\protobuf\protobuf-java\3.19.4\protobuf-java-3.19.4.jar com.edu.test.Task1 Exception in thread "main" org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: FAILED: ParseException line 1:74 cannot recognize input near 'hive_table' ';' '<EOF>' in joinSource at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:300) at org.apache.hive.jdbc.Utils.verifySuccessWithInfo(Utils.java:286) at org.apache.hive.jdbc.HiveStatement.runAsyncOnServer(HiveStatement.java:324) at org.apache.hive.jdbc.HiveStatement.execute(HiveStatement.java:265) at org.apache.hive.jdbc.HiveStatement.executeQuery(HiveStatement.java:497) at org.apache.hive.jdbc.HivePreparedStatement.executeQuery(HivePreparedStatement.java:112) at com.edu.test.Task1.getHiveData(Task1.java:31) at com.edu.test.Task1.main(Task1.java:59) Caused by: org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: FAILED: ParseException line 1:74 cannot recognize input near 'hive_table' ';' '<EOF>' in joinSource at org.apache.hive.service.cli.operation.Operation.toSQLException(Operation.java:335) at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:199) at org.apache.hive.service.cli.operation.SQLOperation.runInternal(SQLOperation.java:260) at org.apache.hive.service.cli.operation.Operation.run(Operation.java:247) at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementInternal(HiveSessionImpl.java:541) at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementAsync(HiveSessionImpl.java:527) 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.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:78) at org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:36) at org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:63) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1754) at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:59) at com.sun.proxy.$Proxy37.executeStatementAsync(Unknown Source) at org.apache.hive.service.cli.CLIService.executeStatementAsync(CLIService.java:312) at org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:562) at org.apache.hive.service.rpc.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1557) at org.apache.hive.service.rpc.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1542) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) at org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:56) at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.parse.ParseException:line 1:74 cannot recognize input near 'hive_table' ';' '<EOF>' in joinSource at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:223) at org.apache.hadoop.hive.ql.parse.ParseUtils.parse(ParseUtils.java:74) at org.apache.hadoop.hive.ql.parse.ParseUtils.parse(ParseUtils.java:67) at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:616) at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1826) at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1773) at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1768) at org.apache.hadoop.hive.ql.reexec.ReExecDriver.compileAndRespond(ReExecDriver.java:126) at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:197) ... 27 more Process finished with exit code 1
06-30
### Hive SQL 编译错误分析：ParseException near 'hive_table' and EOF in joinSource 在 Hive SQL 解析过程中，出现 `ParseException line 1:74 cannot recognize input near 'hive_table' ';...
package com.edu.test; import com.edu.po.Person; import com.edu.utils.HiveUtils; import com.edu.utils.JdbcUtils; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; /* * 任务说明: * 1. 把 hive 的表读取出来。 * 2. 把数据转入到 mysql。 * 3. 可以在 web 工程中读取 mysql 数据。 * (web 工程有 jar 冲突问题, 这里间接去读取 hive 数据) * 4. 展示在页面。 */ public class Task1 { /* 数据项: [day_time], [total_msg_cnt] */ static List<Person> getHiveData() throws SQLException { Connection conn = HiveUtils.getConnection(); String SQL = "SELECT CAST(day_time AS STRING) AS day_time, total_msg_cnt FROM total_msg_cnt"; PreparedStatement psmt = conn.prepareStatement(SQL); ResultSet rs = psmt.executeQuery(); List<Person> list = new ArrayList(); while( rs.next() ){ Person p = packPerson( rs ); list.add( p ); System.out.println( p ); } rs.close(); psmt.close(); HiveUtils.closeConnection(); //关闭 hive 连接 System.out.println("+-----------------------------------+"); System.out.println("{TASK1-HIVE}运行完成.."); System.out.println("+-----------------------------------+"); return list; } static Person packPerson(ResultSet rs) throws SQLException { Person p = new Person(); String day_time = rs.getString(1); Long total_msg_cnt = rs.getLong(2); p.setDay_time( day_time ); p.setTotal_msg_cnt( total_msg_cnt ); return p; } public static void main(String[] args) throws SQLException { List<Person> hiveData = getHiveData(); for (Person p : hiveData) { if (p.getDay_time() == null || p.getDay_time().isEmpty()) { System.out.println("发现空值：" + p); } } //2.转存到 MYSQL 中。 writeToMYSQL(hiveData); } /* 2.转存到 MYSQL 中。 */ static void writeToMYSQL(List<Person> hiveData) throws SQLException { // 1. 获取 MySQL 连接 Connection conn = JdbcUtils.getConnection(); String SQL = "INSERT INTO total_msg_cnt (day_time, total_msg_cnt) VALUES (?, ?)"; PreparedStatement psmt = conn.prepareStatement(SQL); for (Person p : hiveData) { psmt.setString(1, p.getDay_time()); psmt.setLong(2, p.getTotal_msg_cnt()); psmt.addBatch(); } psmt.executeBatch(); psmt.close(); JdbcUtils.closeConnection(); System.out.println("+-----------------------------------+"); System.out.println("{TASK1-MYSQL}运行完成."); System.out.println("+-----------------------------------+"); } } D:\flinkjava\Java\jdk1.8.0_281\bin\java.exe "-javaagent:D:\jetbra\IntelliJ IDEA 2023.2.8\lib\idea_rt.jar=60730:D:\jetbra\IntelliJ IDEA 2023.2.8\bin" -Dfile.encoding=UTF-8 -classpath 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jar;C:\Users\sb171\.m2\repository\org\apache\thrift\libthrift\0.9.3\libthrift-0.9.3.jar;C:\Users\sb171\.m2\repository\org\apache\zookeeper\zookeeper\3.4.6\zookeeper-3.4.6.jar;C:\Users\sb171\.m2\repository\org\slf4j\slf4j-log4j12\1.6.1\slf4j-log4j12-1.6.1.jar;C:\Users\sb171\.m2\repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:\Users\sb171\.m2\repository\io\netty\netty\3.7.0.Final\netty-3.7.0.Final.jar;C:\Users\sb171\.m2\repository\org\apache\curator\curator-framework\2.12.0\curator-framework-2.12.0.jar;C:\Users\sb171\.m2\repository\org\apache\curator\curator-client\2.12.0\curator-client-2.12.0.jar;C:\Users\sb171\.m2\repository\org\slf4j\slf4j-api\1.7.10\slf4j-api-1.7.10.jar;C:\Users\sb171\.m2\repository\org\apache\hive\hive-upgrade-acid\3.1.2\hive-upgrade-acid-3.1.2.jar;C:\Users\sb171\.m2\repository\mysql\mysql-connector-java\8.0.30\mysql-connector-java-8.0.30.jar;C:\Users\sb171\.m2\repository\com\google\protobuf\protobuf-java\3.19.4\protobuf-java-3.19.4.jar com.edu.test.Task1 Person{day_time='null', total_msg_cnt=3735} +-----------------------------------+ {TASK1-HIVE}运行完成.. +-----------------------------------+ 发现空值：Person{day_time='null', total_msg_cnt=3735} Exception in thread "main" java.sql.BatchUpdateException: Column 'day_time' cannot be null 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.cj.util.Util.handleNewInstance(Util.java:192) at com.mysql.cj.util.Util.getInstance(Util.java:167) at com.mysql.cj.util.Util.getInstance(Util.java:174) at com.mysql.cj.jdbc.exceptions.SQLError.createBatchUpdateException(SQLError.java:224) at com.mysql.cj.jdbc.ClientPreparedStatement.executeBatchSerially(ClientPreparedStatement.java:816) at com.mysql.cj.jdbc.ClientPreparedStatement.executeBatchInternal(ClientPreparedStatement.java:418) at com.mysql.cj.jdbc.StatementImpl.executeBatch(StatementImpl.java:795) at com.edu.test.Task1.writeToMYSQL(Task1.java:83) at com.edu.test.Task1.main(Task1.java:67) Caused by: java.sql.SQLIntegrityConstraintViolationException: Column 'day_time' cannot be null at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:117) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:916) at com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdateInternal(ClientPreparedStatement.java:1061) at com.mysql.cj.jdbc.ClientPreparedStatement.executeBatchSerially(ClientPreparedStatement.java:795) ... 4 more Process finished with exit code 1
06-30
### 原因分析 在将 Hive 表数据导入 MySQL 的过程中出现 `Column 'day_time' cannot be null` 错误，说明目标表的 `day_time` 字段被定义为 `NOT NULL`，但在插入的数据中存在该字段为 `NULL` 的记录。...
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