Ilya Basin created WAGON-494:
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Summary: wagon-ssh: infinite prompts when stdin closed
Key: WAGON-494
URL: https://issues.apache.org/jira/browse/WAGON-494
Project: Maven Wagon
Issue Type: Bug
Components: wagon-ssh
Environment: windows7
Reporter: Ilya Basin
When running maven with closed stdin and connecting to unknown host, it repeats
the host key prompt infininitely:
{code:java}
d:\ftpjob\ftpjob>mvnDebug
org.codehaus.mojo:wagon-maven-plugin::sshexec@execute-test-commands <nul
Listening for transport dt_socket at address: 8000
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building ftpjob 1.0.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- wagon-maven-plugin:1.1-SNAPSHOT:sshexec (execute-test-commands) @
ftpjob ---
The authenticity of host 'localhost' can't be established.
RSA key fingerprint is b2:83:4c:3f:39:de:55:0f:22:0b:d4:65:f3:b6:c8:8a.
Are you sure you want to continue connecting? (yes/no):
The authenticity of host 'localhost' can't be established.
RSA key fingerprint is b2:83:4c:3f:39:de:55:0f:22:0b:d4:65:f3:b6:c8:8a.
Are you sure you want to continue connecting? (yes/no):
..{code}
This infinite loop is the reaction to EOF in the plexus prompter:
[https://github.com/sonatype/plexus-interactivity/blob/e63b88bfd5789a4d2ac07e3f9b3b15308b2416e8/plexus-interactivity-api/src/main/java/org/codehaus/plexus/components/interactivity/DefaultPrompter.java#L147]
I don't know why they wrote it like this. Maybe they should've thrown a runtime
exception instead of looping.
Anyway, I can't find their Jira so maybe you can direct this to the right place.
Or, as a workaround, always pass a default return value ("no" in case of the
host key prompt).
full pom:
{code:java}
<?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/maven-v4_0_0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>foo</groupId>
<artifactId>infloop</artifactId>
<version>0.1-SNAPSHOT</version>
<pluginRepositories>
<pluginRepository>
<id>mojohaus-snapshots</id>
<url>https://oss.sonatype.org/content/repositories/snapshots</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</pluginRepository>
<pluginRepository>
<id>apache-snapshots</id>
<url>https://repository.apache.org/content/repositories/snapshots</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</pluginRepository>
<!-- -->
</pluginRepositories>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>wagon-maven-plugin</artifactId>
<executions>
<execution>
<id>execute-test-commands</id>
<goals>
<goal>sshexec</goal>
</goals>
<configuration>
<serverId>bad-server-id</serverId>
<url>scp://localhost</url>
<commands>
<command>pwd</command>
</commands>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>wagon-maven-plugin</artifactId>
<version>1.1-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.apache.maven.wagon</groupId>
<artifactId>wagon-ssh</artifactId>
<version>3.0.1-SNAPSHOT</version><!-- default is
2.11-SNAPSHOT -->
</dependency>
</dependencies>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
{code}
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