Can't find a working ssh client library that will pass karaf-feature-verification

Development
1

Working on a new ddwrt plugin. trying to build it on ssh. The two ssh client libs I tried seem to depend on deprecated packages

jsch seems to be most popular but it depends on org.newsclub.net.unix which I can’t resolve

[ERROR] Message: Unable to resolve root: missing requirement [root] osgi.identity; osgi.identity=openhab-binding-ddwrt; type=karaf.feature; version=4.3.4.SNAPSHOT; filter:="(&(osgi.identity=openhab-binding-ddwrt)(type=karaf.feature)(version>=4.3.4.SNAPSHOT))" [caused by: Unable to resolve openhab-binding-ddwrt/4.3.4.SNAPSHOT: missing requirement [openhab-binding-ddwrt/4.3.4.SNAPSHOT] osgi.identity; osgi.identity=org.openhab.binding.ddwrt; type=osgi.bundle; version="[4.3.4.202503102229,4.3.4.202503102229]"; resolution:=mandatory [caused by: Unable to resolve org.openhab.binding.ddwrt/4.3.4.202503102229: missing requirement [org.openhab.binding.ddwrt/4.3.4.202503102229] osgi.wiring.package; filter:="(osgi.wiring.package=org.newsclub.net.unix)"]]

feature.xml:

<?xml version="1.0" encoding="UTF-8"?>
<features name="org.openhab.binding.ddwrt-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
	<repository>mvn:org.openhab.core.features.karaf/org.openhab.core.features.karaf.openhab-core/${ohc.version}/xml/features</repository>

	<feature name="openhab-binding-ddwrt" description="ddwrt Binding" version="${project.version}">
		<feature>openhab-runtime-base</feature>
		<bundle dependency="true">mvn:com.github.mwiede/jsch/0.2.23</bundle>
		<bundle dependency="true">mvn:org.bouncycastle/bcprov-jdk18on/1.80</bundle>
		<bundle dependency="true">mvn:org.newsclub.net/junixsocket/1.3</bundle>
		<bundle start-level="80">mvn:org.openhab.addons.bundles/org.openhab.binding.ddwrt/${project.version}</bundle>
	</feature>
</features>

tried apache sshd which is used by eclipse but ran into issue with sun.security.x509 see The net.i2p.crypto.eddsa 0.3.0 bundle has bad OSGi metadata · Issue #15 · eclipse-orbit/orbit-simrel · GitHub

<?xml version="1.0" encoding="UTF-8"?>
<features name="org.openhab.binding.ddwrt-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
	<repository>mvn:org.openhab.core.features.karaf/org.openhab.core.features.karaf.openhab-core/${ohc.version}/xml/features</repository>

	<feature name="openhab-binding-ddwrt" description="ddwrt Binding" version="${project.version}">
		<feature>openhab-runtime-base</feature>
		<bundle dependency="true">mvn:org.apache.sshd/sshd-osgi/2.15.0</bundle>
		<bundle dependency="true">mvn:net.i2p.crypto/eddsa/0.3.0</bundle>
		<bundle dependency="true">mvn:sun.security.x509</bundle>
		<bundle start-level="80">mvn:org.openhab.addons.bundles/org.openhab.binding.ddwrt/${project.version}</bundle>
	</feature>
</features>
2

Metadata can be amended with wrap protocol (wrap:mvn:…), see:

Its important to mark wrap protocol feature as a prerequisite, once you do that with few (hundreds) attempts you might be able to pass validation.

3

I tried several different ways and nothing works

<?xml version="1.0" encoding="UTF-8"?>
<features name="org.openhab.binding.ddwrt-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
	<repository>mvn:org.openhab.core.features.karaf/org.openhab.core.features.karaf.openhab-core/${ohc.version}/xml/features</repository>

	<feature name="openhab-binding-ddwrt" description="ddwrt Binding" version="${project.version}">
		<feature prerequisite="true">wrap</feature>
		<feature>openhab-runtime-base</feature>
		<bundle>wrap:mvn:org.apache.sshd/sshd-osgi/2.14.0&amp;overwrite=merge&amp;Import-Package=!org.apache.tomcat.*,*</bundle>
		<bundle start-level="80">mvn:org.openhab.addons.bundles/org.openhab.binding.ddwrt/${project.version}</bundle>
	</feature>
</features>
4

The first part after mvn: url should be dollar sign. Rest of it looks fine. Try this: <bundle>wrap:mvn:org.apache.sshd/sshd-osgi/2.14.0$overwrite=merge&amp;Import-Package=!org.apache.tomcat.*,*</bundle>

5

Thanks I got a little further but stuck on org.apache.tomcat.jni

	<bundle>wrap:mvn:org.apache.sshd/sshd-osgi/2.15.0$overwrite=merge&amp;Import-Package=org.apache.tomcat.jni;resolution:="optional",org.bouncycastle.*;resolution:="optional",net.i2p.crypto.*;resolution:="optional",*</bundle>

[ERROR] Failed to execute goal org.apache.karaf.tooling:karaf-maven-plugin:4.4.6:verify (karaf-feature-verification) on project org.openhab.binding.ddwrt: Feature resolution failed for [openhab-binding-ddwrt/4.3.4.SNAPSHOT]
[ERROR] Message: Unable to resolve root: missing requirement [root] osgi.identity; osgi.identity=openhab-binding-ddwrt; type=karaf.feature; version=4.3.4.SNAPSHOT; filter:="(&(osgi.identity=openhab-binding-ddwrt)(type=karaf.feature)(version>=4.3.4.SNAPSHOT))" [caused by: Unable to resolve openhab-binding-ddwrt/4.3.4.SNAPSHOT: missing requirement [openhab-binding-ddwrt/4.3.4.SNAPSHOT] osgi.identity; osgi.identity=org.openhab.binding.ddwrt; type=osgi.bundle; version="[4.3.4.202503192132,4.3.4.202503192132]"; resolution:=mandatory [caused by: Unable to resolve org.openhab.binding.ddwrt/4.3.4.202503192132: missing requirement [org.openhab.binding.ddwrt/4.3.4.202503192132] osgi.wiring.package; filter:="(osgi.wiring.package=org.apache.tomcat.jni)"]]
6

Are you sure you need it? Your binding, or one of dependencies you embedded in it, is trying to make use of it.

7

Got it working after reading Binding with complex dependencies - #5 by Sonic I removed any changes to feature.xml and updated my pom.xml as follows:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.openhab.addons.bundles</groupId>
    <artifactId>org.openhab.addons.reactor.bundles</artifactId>
    <version>4.3.4-SNAPSHOT</version>
  </parent>

  <artifactId>org.openhab.binding.ddwrt</artifactId>

  <name>openHAB Add-ons :: Bundles :: ddwrt Binding</name>

  <properties>
    <bnd.importpackage>org.apache.tomcat.jni;resolution:="optional",org.bouncycastle.*;resolution:="optional",sun.security.x509;resolution:="optional"</bnd.importpackage>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.apache.sshd</groupId>
      <artifactId>sshd-osgi</artifactId>
      <version>2.15.0</version>
    </dependency>
    <!-- For ed25519 support -->
    <dependency>
      <groupId>net.i2p.crypto</groupId>
      <artifactId>eddsa</artifactId>
      <version>0.3.0</version>
    </dependency>
  </dependencies>

</project>
8

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