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该问题已被官方收录

mybatis搭建 ssm框架的时候，老是报一个错误

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<!-- 参考官网：http://www.mybatis.org/mybatis-3/zh/configuration.html#settings -->
<configuration>
    <!-- 全局配置 -->
    <settings>
        <!-- 使用列标签代替列名 -->
        <setting name="useColumnLabel" value="true"/>
        <!--不允许 JDBC 支持自动生成主键-->
        <setting name="useGeneratedKeys" value="false"/>
        <!--是否开启自动驼峰命名规则（camel case）映射，即从经典数据库列名 A_COLUMN 到经典 Java 属性名 aColumn 的类似映射。 -->
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
</configuration>

该问题已被官方收录

使用Tuscany配置的时候，一直报node.start无法启动

1

tuscany

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="UTF-8"?>
<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://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>zwp</groupId>
  <artifactId>task0801</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>jar</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
        <!-- log4j日志文件管理包版本 -->
        <slf4j.version>1.7.7</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
        <!-- spring版本号 -->
        <spring.version>3.0.5.RELEASE</spring.version>
        <!-- mybatis版本号 -->
        <mybatis.version>3.4.1</mybatis.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <!--<spring.version>5.0.3.RELEASE</spring.version>-->
        <!--<mybatis.version>3.4.4</mybatis.version>-->
    </properties>
    <dependencies>
        <!-- 第一部分：Spring 配置-->
        <!-- Spring core -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- Spring DAO -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- Spring mvc -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- 第二部分：Servlet web -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.0.1</version>
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.9.4</version>
        </dependency>
        <!-- 第三部分：数据库和mybatis -->
        <!-- 数据库 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>
        <!-- 数据库连接池 -->
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>
        <!-- MyBatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <!-- mybatis-spring整合包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
        </dependency>


        <!-- 日志文件管理包 -->
        <!-- log start -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <!-- 格式化对象，方便输出日志 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.1.41</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- log end -->

        <!-- 映入JSON -->
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-mapper-asl</artifactId>
            <version>1.9.13</version>
        </dependency>
        <dependency>
            <groupId>net.sf.json-lib</groupId>
            <artifactId>json-lib</artifactId>
            <version>2.4</version>
            <classifier>jdk15</classifier>
        </dependency>

        <!-- JSTL标签类 -->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!--servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
        </dependency>


        <!--AOP-->
        <!-- https://mvnrepository.com/artifact/aopalliance/aopalliance -->
        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.13</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.googlecode.xmemcached/xmemcached 2.2-->
        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>3.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.googlecode.xmemcached/xmemcached -->
        <dependency>
            <groupId>com.googlecode.xmemcached</groupId>
            <artifactId>xmemcached</artifactId>
            <version>2.4.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>slf4j-api</artifactId>
                    <groupId>org.slf4j</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

        <!-- tuscany -->

        <dependency>
            <groupId>org.apache.tuscany.sca</groupId>
            <artifactId>tuscany-sca-api</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.tuscany.sca</groupId>
            <artifactId>tuscany-base-runtime</artifactId>
            <version>2.0.1</version>
            <exclusions>
                <exclusion>
                    <artifactId>cglib</artifactId>
                    <groupId>cglib</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.tuscany.sca.aggregation</groupId>
            <artifactId>tuscany-binding-rmi-runtime-aggregation</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.tuscany.sca.aggregation</groupId>
            <artifactId>tuscany-binding-ws-runtime-axis2-aggregation</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.tuscany.sca</groupId>
            <artifactId>tuscany-implementation-spring-runtime</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.tuscany.sca</groupId>
            <artifactId>tuscany-assembly-xml</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.tuscany.sca</groupId>
            <artifactId>tuscany-binding-rmi-runtime</artifactId>
            <version>2.0.1</version>
            <scope>runtime</scope>
        </dependency>
    </dependencies>
    <build>
        <finalName>project-8090</finalName>
        <!--<pluginManagement><!– lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) –>-->
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>2.4.1</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <transformers>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <mainClass>com.client.TestRun</mainClass>
                                </transformer>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                    <resource>META-INF/spring.handlers</resource>
                                </transformer>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                    <resource>META-INF/spring.schemas</resource>
                                </transformer>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

        </plugins>
        <!--</pluginManagement>-->
    </build>
</project>





------------------------------------------------------------------我是分隔符-------------------------------------------------------------------------
//启动类
package rmi;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.springframework.beans.factory.annotation.Autowired;
import service.PaperService;

public class RmiServices {
    private static final Log LOGGER = LogFactory.getLog(RmiServices.class);

    @Autowired
    PaperService paperService ;

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Node node = NodeFactory.newInstance().createNode("Calculator.composite");
        node.start();
        System.out.println("tuscany service2启动");
    }
}

九月 21, 2018 9:52:13 上午 org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl [] (StartException)
严重: Exception during start processing
java.lang.NoClassDefFoundError: org/objectweb/asm/util/TraceClassVisitor
	at net.sf.cglib.core.DebuggingClassWriter.toByteArray(DebuggingClassWriter.java:73)
	at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:26)
	at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
	at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:144)
	at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:116)
	at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
[INFO ] 2018-09-21 09:52:13,169 method:org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1002) Closing org.apache.tuscany.sca.implementation.spring.context.SCAGenericApplicationContext@2807bdeb: startup date [Fri Sep 21 09:52:11 CST 2018]; parent: file:/C:/javaTask/task9/task0901-service2/target/classes/spring/spring-dao.xml
	at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
	at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69)
	at org.apache.tuscany.sca.binding.rmi.provider.RMIServiceBindingProvider.createRmiService(RMIServiceBindingProvider.java:108)
	at org.apache.tuscany.sca.binding.rmi.provider.RMIServiceBindingProvider.start(RMIServiceBindingProvider.java:76)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl$2.run(CompositeActivatorImpl.java:566)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl.startEndpoint(CompositeActivatorImpl.java:564)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl.start(CompositeActivatorImpl.java:422)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl.start(CompositeActivatorImpl.java:345)
	at org.apache.tuscany.sca.node.impl.NodeImpl.start(NodeImpl.java:149)
	at rmi.RmiServices.main(RmiServices.java:19)
Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.util.TraceClassVisitor
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 17 more

[INFO ] 2018-09-21 09:52:13,172 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:422) Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@4d722ac9: defining beans [PaperService,org.springframework.beans.factory.config.PropertyPlaceholderConfigurer#0,org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,paperServiceImpl,dataSource,sqlSessionFactory,org.mybatis.spring.mapper.MapperScannerConfigurer#0,transactionManager,paperDao]; parent: org.apache.tuscany.sca.implementation.spring.context.SCAParentApplicationContext@53f0a4cb
Exception in thread "main" java.lang.IllegalStateException: java.lang.NoClassDefFoundError: org/objectweb/asm/util/TraceClassVisitor
	at org.apache.tuscany.sca.node.impl.NodeImpl.start(NodeImpl.java:178)
	at rmi.RmiServices.main(RmiServices.java:19)
Caused by: java.lang.NoClassDefFoundError: org/objectweb/asm/util/TraceClassVisitor
	at net.sf.cglib.core.DebuggingClassWriter.toByteArray(DebuggingClassWriter.java:73)
	at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:26)
	at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216)
	at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:144)
	at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:116)
	at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108)
	at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104)
	at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69)
	at org.apache.tuscany.sca.binding.rmi.provider.RMIServiceBindingProvider.createRmiService(RMIServiceBindingProvider.java:108)
	at org.apache.tuscany.sca.binding.rmi.provider.RMIServiceBindingProvider.start(RMIServiceBindingProvider.java:76)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl$2.run(CompositeActivatorImpl.java:566)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl.startEndpoint(CompositeActivatorImpl.java:564)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl.start(CompositeActivatorImpl.java:422)
	at org.apache.tuscany.sca.core.assembly.impl.CompositeActivatorImpl.start(CompositeActivatorImpl.java:345)
	at org.apache.tuscany.sca.node.impl.NodeImpl.start(NodeImpl.java:149)
	... 1 more
Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.util.TraceClassVisitor
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 17 more

Process finished with exit code 1

该问题已被官方收录

jdbctemplate批量插入的时候出现“java heap space”错误

0

1

JDBC

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

spring rmi 运行时会报出主机拒绝连接的错误

2

1

springRMI

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<bean name="rmiSend" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="service" ref="SendService"/>
        <property name="serviceName" value="userRmiServiceTest1"/>
        <property name="serviceInterface" value="com.mvc.service.SendService"/>
        <property name="registryPort" value="1025"/>
    </bean>

    <bean name="rmiOss" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="service" ref="OssService"/>
        <property name="serviceName" value="userRmiServiceTest2"/>
        <property name="serviceInterface" value="com.mvc.service.OssService"/>
        <property name="registryPort" value="1026"/>
    </bean>

该问题已被官方收录

使用Json-taglib的jar包，但是jsp中出现的数据和预期不符

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

IDEA打包成功后在本地不能运行

0

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

SpringBoot配置文件yml加载数据源爆红

2

1

springboot

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

server:
  port: 8080
  context-path: /springboot

girl:
  name: B
  age: 18
  content: content:${name},age:${age}

spring:
  profiles:
    active: prod

  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/xzy?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8
    username: root
    password: 123

  jpa:
    hibernate:
      ddl-auto: create
    show-sql: true


yml 爆红：
server:
  port: 8080
  context-path: /springboot

girl:
  name: B
  age: 18
  content: content:${name},age:${age}

spring:
  profiles:
    active: prod

  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/xzy?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8
    username: root
    password: 123

  jpa:
    hibernate:
      ddl-auto: create
    show-sql: true


package com.model;

@Entity
public class Girl {

    @Id
    @GeneratedValue
    private Integer id;
    private String cupSize;
    private Integer age;

    public Girl() {
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    public String getCupSize() {
        return cupSize;
    }

    public void setCupSize(String cupSize) {
        this.cupSize = cupSize;
    }
}

该问题已被官方收录

idea打完jar包后，在dos窗口里运行jar包

1

maven

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图