Calling liquibase commandline from Cygwin - bash

Question

Trying to run a call to liquibase from command line (bash script). This works if I run it on a server (Red hat linux) but i get an error if I run it from a cygwin prompt:
java -cp ../liquibase-core-3.1.1:../ojdbc6-11.2.0.3.jar liquibase.integration.commandline.Main --driver=oracle.jdbc.OracleDriver \
--changeLogFile=database/master.xml --url=${schema_url} --username=${schema_username} --password=${schema_password} \
--contexts=${schema_context} migrate
I get the error:
Error: Could not find or load main class liquibase.integration.commandline.Main
Can't see why.

Answer 1

Found a way around the problem. Created a liquibase.properties file with the information,
url: <url>
username: <username>
password: <password>
contexts: global,dev
driver: oracle.jdbc.OracleDriver
classpath: ../ojdbc6-11.2.0.3.jar
changeLogFile: database/master.xml
And called the liquibase CLI using
java -jar ../liquibase-core-3.1.1.jar --defaultsFile=../foo/fum/liquibase.properties migrate
This worked fine both on the server and on cygwin.

Answer 2

The issue arises because Java expects a windows style path but the liquibase script issues a unix style path. See also the discussion how to run Java from cygwin. The proposed solution is to fix it by means of cygpath.
The root case is something different though. If you look into the startup script for liquibase you see the following piece of code
# build classpath from all jars in lib
if [ -f /usr/bin/cygpath ]; then
CP=.
for i in "$LIQUIBASE_HOME"/liquibase*.jar; do
i=`cygpath --windows "$i"`
CP="$CP;$i"
done
for i in "$LIQUIBASE_HOME"/lib/*.jar; do
i=`cygpath --windows "$i"`
CP="$CP;$i"
done
else
if [[ $(uname) = MINGW* ]]; then
CP_SEPARATOR=";"
else
CP_SEPARATOR=":"
fi
CP=.
for i in "$LIQUIBASE_HOME"/liquibase*.jar; do
CP="$CP""$CP_SEPARATOR""$i"
done
for i in "$LIQUIBASE_HOME"/lib/*.jar; do
CP="$CP""$CP_SEPARATOR""$i"
done
fi
That is the script checks for the existence of cygpath and will fix the issue if it finds it. Chances are that you are lacking cygpath.
If which cygpath results in /usr/bin/cygpath then everything should work as expected. Otherwise you have found the root cause.
This raises the question why cygpath is missing and how to get it. In my case I removed my (outdated) installation of git / gitbash and installed the newest version. This came with an up to date gitbash which included cygpath as desired.

Answer 3

The problem is that Java on CYGWIN has problems to resolve PATHs. To make this add
cygwinpath -wp
To fix this problem replace
java -cp ../liquibase-core-3.1.1:../ojdbc6-11.2.0.3.jar
with
java -classpath \`cygpath -wp ../liquibase-core-3.1.1:../ojdbc6-11.2.0.3.jar\`
Remember to surround cygwint -wp <path> with this mark `

Answer 4

check the main class jar file "liquibase.jar" in the main