Skip to content

How to install in readme #144

Description

@wimpomp

It would be great if there were installation instructions. For example, the right version of java has to be installed first, otherwise, just 'pip install python-bioformats' will fail.

I'm trying to get rid of all log4j output in the terminal when using python-bioformats. The following used to work, but apparently, after reinstall of the os, java, python and python-bioformats, it doesn't anymore since it can't find the jar for log4j even when log4j1.2 and log4j2 are installed (on Ubuntu 20.04).

import javabridge, bioformats
javabridge.start_vm(class_path=bioformats.JARS, run_headless=True)
log4j = javabridge.JClassWrapper("loci.common.Log4jTools")
log4j.enableLogging()
log4j.setRootLevel("ERROR")

The following is spit out to the terminal when calling log4j.enableLogging():

11:21:03.711 [Thread-0] DEBUG loci.common.ReflectedUniverse - No such class: org.apache.log4j.Level
java.lang.ClassNotFoundException: org.apache.log4j.Level
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_282]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_282]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) ~[na:1.8.0_282]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_282]
at java.lang.Class.forName0(Native Method) ~[na:1.8.0_282]
at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_282]
at loci.common.ReflectedUniverse.exec(ReflectedUniverse.java:174) ~[bioformats_package.jar:6.6.0]
at loci.common.Log4jTools.enableLogging(Log4jTools.java:92) [bioformats_package.jar:6.6.0]
11:21:03.716 [Thread-0] DEBUG loci.common.ReflectedUniverse - No such class: org.apache.log4j.Level
java.lang.ClassNotFoundException: org.apache.log4j.Level
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_282]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_282]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) ~[na:1.8.0_282]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_282]
at java.lang.Class.forName0(Native Method) ~[na:1.8.0_282]
at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_282]
at loci.common.ReflectedUniverse.exec(ReflectedUniverse.java:174) ~[bioformats_package.jar:6.6.0]
at loci.common.Log4jTools.setRootLevel(Log4jTools.java:73) [bioformats_package.jar:6.6.0]

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions