在 karaf 中启动包时出错：“通过两个依赖链”
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【中文标题】在 karaf 中启动包时出错：“通过两个依赖链”【英文标题】：Error starting bundle in karaf: "via two dependency chains" 【发布时间】：2017-09-15 16:24:32 【问题描述】：我目前正在开发一个骆驼路由，它从 netty4/mllp 端点读取并将 hl7 消息存储到 amqp 队列。
这是我的环境：
apache-maven-3.3.9 apache-karaf-4.1.1 apache-camel-2.18.3 apache-artemis-2.0.0这是我的 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://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>*****</groupId>
<artifactId>*****</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>bundle</packaging>
<name>*****</name>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>3.3.0</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>$project.artifactId</Bundle-SymbolicName>
<Bundle-SymbolicName>$project.artifactId-bundle</Bundle-SymbolicName>
<Bundle-Activator>$project.groupId.$project.artifactId.*****.*****</Bundle-Activator>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.osgi</groupId>
<artifactId>org.osgi.core</artifactId>
<version>6.0.0</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.8.1</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.8.1</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-core</artifactId>
<version>2.18.3</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-amqp</artifactId>
<version>2.18.3</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-netty4</artifactId>
<version>2.18.3</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-hl7</artifactId>
<version>2.18.3</version>
</dependency>
</dependencies>
我可以在 Eclipse 中使用“主”类毫无问题地运行该项目。但是，当我将捆绑包部署到 Karaf 容器时，我遇到了一些问题。
我正在使用 previus pom.xml 文件和 apache felix 插件 maven clean package 目标生成捆绑 jar。
karaf 安装很干净。我只设置了以下内容：
同一个 karaf 容器内的 artemis amqp 代理feature:repo-add artemis
feature:install artemis-amqp
feature:repo-add camel
feature:install camel-core camel-netty4 camel-amqp camel-hl7
我将 jar 包复制到部署文件夹并尝试使用 bundle:start my-bundle 启动它，但出现以下错误。
Error executing command: Error executing command on bundles:
Error starting bundle 110: Unable to resolve demograficos-bundle [110](R 110.0): missing requirement [demograficos-bundle [110](R 110.0)] osgi.wiring.package; (&(osgi.wiring.package=javax.jms)(version>=1.1.0)(!(version>=2.0.0))) Unresolved requirements: [[demograficos-bundle [110](R 110.0)] osgi.wiring.package; (&(osgi.wiring.package=javax.jms)(version>=1.1.0)(!(version>=2.0.0)))]
据我了解，容器中缺少 jms 实现。
我试过feature:install jms，但现在我得到了以下错误
但我看不到列出的两个 previus geronimo 捆绑包，只有一个
START LEVEL 100 , List Threshold: 50
ID | State | Lvl | Version | Name
----+-----------+-----+----------------+---------------------------------------------------------------------------------------------------
28 | Active | 80 | 4.1.1 | Apache Karaf :: OSGi Services :: Event
52 | Active | 80 | 19.0.0 | Guava: Google Core Libraries for Java
53 | Active | 80 | 4.1.6.Final | Netty/Buffer
54 | Active | 80 | 4.1.6.Final | Netty/Codec
55 | Active | 80 | 4.1.6.Final | Netty/Codec/HTTP
56 | Active | 80 | 4.1.6.Final | Netty/Common
57 | Active | 80 | 4.1.6.Final | Netty/Handler
58 | Active | 80 | 4.1.6.Final | Netty/Resolver
59 | Active | 80 | 4.1.6.Final | Netty/Transport
60 | Active | 80 | 3.0.0 | Expression Language 3.0 API
61 | Active | 80 | 1.2.0 | CDI APIs
62 | Active | 80 | 1.2 | javax.interceptor API
63 | Active | 80 | 1.2 | javax.transaction API
64 | Active | 80 | 2.0.0 | ActiveMQ Artemis AMQP Protocol
65 | Active | 80 | 2.0.0 | ActiveMQ Artemis Native POM
66 | Active | 80 | 2.0.0 | ActiveMQ Artemis Server OSGi
67 | Active | 80 | 1.1.1 | Apache Aries Transaction Blueprint
68 | Active | 80 | 2.1.0 | Apache Aries Transaction Blueprint
69 | Active | 80 | 1.3.2 | Apache Aries Transaction Manager
70 | Active | 80 | 1.9.2 | Apache Commons BeanUtils
71 | Active | 80 | 3.2.2 | Apache Commons Collections
72 | Active | 80 | 1.0.2 | Apache Felix Coordinator Service
75 | Active | 80 | 1.0.0.alpha-2 | Apache Geronimo JMS Spec 2.0
76 | Active | 80 | 1.0.0.alpha-1 | Apache Geronimo JSon Spec 1.0
77 | Active | 80 | 0.9.5 | Johnzon :: Core
81 | Active | 80 | 0.20.0 | QpidJMS Client
82 | Active | 80 | 0.16.0 | proton-j
83 | Active | 80 | 1.0.0.2 | Apache ServiceMix :: Bundles :: javax.inject
84 | Active | 80 | 3.3.0.Final | JBoss Logging 3
85 | Active | 80 | 3.6.9.Final | JGroups
86 | Active | 50 | 2.18.3 | camel-amqp
87 | Active | 50 | 2.18.3 | camel-catalog
88 | Active | 50 | 2.18.3 | camel-commands-core
89 | Active | 50 | 2.18.3 | camel-core
90 | Active | 50 | 2.18.3 | camel-jms
91 | Active | 80 | 2.18.3 | camel-karaf-commands
92 | Active | 50 | 1.6.0 | Commons Pool
105 | Active | 50 | 4.1.7.Final | Netty/Transport/Native/Epoll
106 | Active | 50 | 2.18.3 | camel-netty4
107 | Active | 50 | 2.2 | HAPI - Java HL7 API - OSGI Bundle
108 | Active | 50 | 2.18.3 | camel-hl7
109 | Active | 50 | 2.0.14 | Apache MINA Core
110 | Installed | 80 | 0.0.1.SNAPSHOT | **********
111 | Active | 80 | 2.0.0 | ActiveMQ Artemis HornetQ Protocol
112 | Active | 80 | 2.0.0 | ActiveMQ Artemis HQClient Protocol
114 | Active | 80 | 4.1.6.Final | Netty/Codec/MQTT
115 | Active | 80 | 2.0.0 | ActiveMQ Artemis MQTT Protocol
116 | Active | 80 | 2.0.0 | ActiveMQ Artemis OpenWire Protocol
117 | Active | 80 | 2.0.0 | ActiveMQ Artemis STOMP Protocol
118 | Active | 80 | 1.0.1 | geronimo-j2ee-management_1.1_spec
119 | Active | 80 | 1.11.0 | hawtbuf
123 | Active | 80 | 4.1.1 | Apache Karaf :: JMS :: Core
karaf@root()> bundle:tree-show *****
Bundle **********-bundle [110] is currently INSTALLED
- import javax.jms;version="[1.1,2)": resolved using org.apache.geronimo.specs.geronimo-jms_1.1_spec [122]
- import org.apache.camel;version="[2.18,3)": resolved using org.apache.camel.camel-core [89]
- import org.apache.camel.builder;version="[2.18,3)": resolved using org.apache.camel.camel-core [89]
- import org.apache.camel.component.amqp;version="[2.18,3)": resolved using org.apache.camel.camel-amqp [86]
- import org.apache.camel.component.hl7;version="[2.18,3)": resolved using org.apache.camel.camel-hl7 [108]
- import org.apache.camel.impl;version="[2.18,3)": resolved using org.apache.camel.camel-core [89]
- import org.apache.camel.model;version="[2.18,3)": resolved using org.apache.camel.camel-core [89]
- import org.apache.camel.spi;version="[2.18,3)": resolved using org.apache.camel.camel-core [89]
- import org.osgi.framework;version="[1.8,2)": resolved using org.apache.felix.framework [0]
- import org.slf4j;version="[1.7,2)": resolved using org.ops4j.pax.logging.pax-logging-api [5]
- import org.slf4j;version="[1.7,2)": resolved using org.ops4j.pax.logging.pax-logging-api [5]
- import org.slf4j;version="[1.7,2)": resolved using org.ops4j.pax.logging.pax-logging-api [5]
Warning: the below tree is a rough approximation of a possible resolution
demograficos-bundle [110]
+- org.apache.geronimo.specs.geronimo-jms_1.1_spec [122]
| +- javax.transaction-api [63]
| +- javax.enterprise.cdi-api [61]
| | +- javax.el-api [60]
| | +- org.apache.servicemix.bundles.javax-inject [83]
| | +- javax.interceptor-api [62]
| +- javax.interceptor-api [62]
+- org.apache.camel.camel-core [89]
| +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- org.apache.karaf.services.eventadmin [3]
| | +- org.apache.felix.metatype [2]
| | +- org.apache.felix.configadmin [7]
| +- org.apache.servicemix.bundles.spring-tx [102]
| +- org.ops4j.pax.logging.pax-logging-api [5]
| +- org.apache.servicemix.bundles.aopalliance [93]
| +- javax.transaction-api [63]
| +- org.apache.servicemix.bundles.spring-aop [95]
| | +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- org.apache.servicemix.bundles.aopalliance [93]
| | +- org.apache.commons.pool [92]
| | +- org.apache.servicemix.bundles.spring-beans [96]
| | | +- org.ops4j.pax.logging.pax-logging-api [5]
| | | +- org.apache.servicemix.bundles.javax-inject [83]
| | | +- org.apache.servicemix.bundles.spring-core [99]
| | | +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- org.apache.servicemix.bundles.spring-core [99]
| +- org.apache.servicemix.bundles.spring-beans [96]
| +- org.apache.servicemix.bundles.spring-core [99]
| +- org.apache.servicemix.bundles.spring-context [97]
| +- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
| | +- javax.transaction-api [63]
| +- org.ops4j.pax.logging.pax-logging-api [5]
| +- org.apache.servicemix.bundles.javax-inject [83]
| +- org.apache.servicemix.bundles.spring-expression [100]
| | +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- org.apache.servicemix.bundles.spring-core [99]
| +- org.apache.servicemix.bundles.aopalliance [93]
| +- javax.interceptor-api [62]
| +- org.apache.servicemix.bundles.spring-aop [95]
| +- org.apache.servicemix.bundles.spring-beans [96]
| +- org.apache.servicemix.bundles.spring-core [99]
+- org.apache.camel.camel-amqp [86]
| +- org.apache.camel.camel-core [89]
| +- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
| +- org.apache.qpid.jms.client [81]
| | +- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
| | +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- io.netty.handler [57]
| | | +- io.netty.codec [54]
| | | | +- io.netty.buffer [53]
| | | | | +- io.netty.common [56]
| | | | | +- org.ops4j.pax.logging.pax-logging-api [5]
| | | | +- io.netty.transport [59]
| | | | | +- io.netty.resolver [58]
| | | | | | +- io.netty.common [56]
| | | | | +- io.netty.buffer [53]
| | | | | +- io.netty.common [56]
| | | | +- io.netty.common [56]
| | | +- io.netty.buffer [53]
| | | +- io.netty.transport [59]
| | | +- io.netty.common [56]
| | +- io.netty.codec-http [55]
| | | +- io.netty.codec [54]
| | | +- io.netty.handler [57]
| | | +- io.netty.buffer [53]
| | | +- io.netty.transport [59]
| | | +- io.netty.common [56]
| | +- org.apache.qpid.proton-j [82]
| | +- io.netty.buffer [53]
| | +- io.netty.transport [59]
| | +- io.netty.common [56]
| +- org.apache.camel.camel-jms [90]
| +- org.apache.camel.camel-core [89]
| +- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
| +- org.ops4j.pax.logging.pax-logging-api [5]
| +- org.apache.servicemix.bundles.spring-jms [101]
| | +- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
| | +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- org.apache.servicemix.bundles.spring-tx [102]
| | +- org.apache.servicemix.bundles.spring-expression [100]
| | +- org.apache.servicemix.bundles.aopalliance [93]
| | +- org.apache.servicemix.bundles.spring-aop [95]
| | +- io.netty.transport [59]
| | +- org.apache.servicemix.bundles.spring-beans [96]
| | +- org.apache.servicemix.bundles.spring-core [99]
| | +- io.netty.common [56]
| | +- org.apache.servicemix.bundles.spring-context [97]
| +- org.apache.servicemix.bundles.spring-tx [102]
| +- org.apache.servicemix.bundles.spring-beans [96]
| +- org.apache.servicemix.bundles.spring-core [99]
| +- org.apache.servicemix.bundles.spring-context [97]
+- org.apache.camel.camel-hl7 [108]
| +- org.apache.camel.camel-core [89]
| +- io.netty.codec [54]
| +- org.ops4j.pax.logging.pax-logging-api [5]
| +- org.apache.camel.camel-netty4 [106]
| | +- org.apache.camel.camel-core [89]
| | +- io.netty.codec [54]
| | +- org.ops4j.pax.logging.pax-logging-api [5]
| | +- io.netty.handler [57]
| | +- io.netty.transport [59]
| | +- io.netty.buffer [53]
| | +- org.apache.commons.pool [92]
| | +- io.netty.transport-native-epoll [105]
| | | +- io.netty.buffer [53]
| | | +- io.netty.transport [59]
| | | +- io.netty.common [56]
| | +- io.netty.common [56]
| +- org.apache.mina.core [109]
| | +- org.ops4j.pax.logging.pax-logging-api [5]
| +- io.netty.buffer [53]
| +- ca.uhn.hapi.osgi-base [107]
| | +- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
| +- io.netty.transport [59]
+- org.apache.felix.framework [0]
+- org.ops4j.pax.logging.pax-logging-api [5]
WARNING: multiple bundles are exporting package javax.jms
- org.apache.geronimo.specs.geronimo-jms_2.0_spec [75]
- org.apache.geronimo.specs.geronimo-jms_1.1_spec [122]
我真的很难理解 jar/bundle 版本如何在 karaf 下协同工作。
有什么想法吗？也许我应该更改 pom.xml 中的 felix 插件
【问题讨论】：
【参考方案1】：看起来您声明了自己的包导出 javax.jms 包的版本为 1.1，而 Artemis 依赖于版本 2.0 中导出 javax.jms 的包，请确保您还依赖于版本 2.0 javax.jms 版本（因为那是 artemis 使用的版本），你的问题就会消失。
【讨论】：
抱歉，我该怎么做？我不明白为什么我使用 jms 1.1，因为我的 pom.xml 中没有任何引用它 必须在你的传递依赖中，最好在你的maven pom中添加一个专门的依赖到一个jms 2.0提供jar。 我已将以下内容添加到 felix maven 插件配置<Import-Package>javax.jms;version="[2.0,3)",*</Import-Package> 中，现在它可以工作了。以上是关于在 karaf 中启动包时出错：“通过两个依赖链”的主要内容，如果未能解决你的问题，请参考以下文章
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