# Elasticsearch is not starting and likely root cause is ZipException: invalid distance too far back **URL:** \ **Category:** Elasticsearch\ **Created:** [March 3, 2016, 3:37pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408 "2016-03-03T15:37:09Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![nik](https://avatars.discourse-cdn.com/v4/letter/n/6de8d8/32.png) [@nik](https://discuss.elastic.co/u/nik)\ **Post date:** [March 3, 2016, 3:37pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/1 "2016-03-03T15:37:10Z")
After a system reboot my elasticsearch is not starting. **This is my elasticsearch log file:** [2016-03-03 17:58:51,710][INFO][node] [Katherine Reynolds] version[2.2.0], pid[1507], build[8ff36d1/2016-01-27T13:32:39Z] [2016-03-03 17:58:51,711][INFO][node] [Katherine Reynolds] initializing ... [2016-03-03 17:58:52,402][INFO][plugins] [Katherine Reynolds] modules [lang-expression, lang-groovy], plugins [], sites [] [2016-03-03 17:58:52,426][INFO][env] [Katherine Reynolds] using [1] data paths, mounts [[/ (/dev/sda5)]], net usable\_space [43.9gb], net total\_space [50.2gb], spins? [possibly], types [ext4] [2016-03-03 17:58:52,426][INFO][env] [Katherine Reynolds] heap size [990.7mb], compressed ordinary object pointers [true] [2016-03-03 17:58:54,601][ERROR][bootstrap] Guice Exception: java.lang.NoClassDefFoundError: org/elasticsearch/search/SearchService$Reaper Likely root cause: java.util.zip.ZipException: invalid distance too far back at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164) at sun.misc.Resource.getBytes(Resource.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:462) at java.net.URLClassLoader.access$100(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:368) at java.net.URLClassLoader$1.run(URLClassLoader.java:362) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:361) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.elasticsearch.search.SearchService.(SearchService.java:215) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at \<\<\>\> at org.elasticsearch.node.Node.(Node.java:200) at org.elasticsearch.node.Node.(Node.java:128) at org.elasticsearch.node.NodeBuilder.build(NodeBuilder.java:145) at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:178) at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:285) at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:35) In elasticsearch config file I just set the cluster name and other settings are default. OS: Ubuntu 14.04.1 Elasticsearch v2.2.0 Java: OpenJDK Runtime Environment (build 1.8.0\_72-internal-b15) What is the cause of the problem? How can I fix it? ---
**Author:** ![jasontedor](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasontedor/32/66992_2.png) [@jasontedor](https://discuss.elastic.co/u/jasontedor)\ **Post date:** [March 3, 2016, 3:47pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/2 "2016-03-03T15:47:48Z")
> [@nik](#): > > java.util.zip.ZipException: invalid distance too far back Sounds like your Elasticsearch JAR is corrupt. I'd reinstall. ---
**Author:** ![nik](https://avatars.discourse-cdn.com/v4/letter/n/6de8d8/32.png) [@nik](https://discuss.elastic.co/u/nik)\ **Post date:** [March 3, 2016, 4:00pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/3 "2016-03-03T16:00:44Z")
Is there a way to reinstall Elasticsearch and keep its data? ---
**Author:** ![jasontedor](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasontedor/32/66992_2.png) [@jasontedor](https://discuss.elastic.co/u/jasontedor)\ **Post date:** [March 3, 2016, 4:35pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/4 "2016-03-03T16:35:25Z")
> [@nik](#): > > Is there a way to reinstall Elasticsearch and keep its data? Yes. How did you install Elasticsearch in the first place? ---
**Author:** ![nik](https://avatars.discourse-cdn.com/v4/letter/n/6de8d8/32.png) [@nik](https://discuss.elastic.co/u/nik)\ **Post date:** [March 3, 2016, 4:35pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/5 "2016-03-03T16:35:53Z")
Executing dpkg -i elasticsearch-2.2.0.deb just solved my problem. Thanks Jason ---
**Author:** ![jasontedor](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasontedor/32/66992_2.png) [@jasontedor](https://discuss.elastic.co/u/jasontedor)\ **Post date:** [March 3, 2016, 4:47pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/6 "2016-03-03T16:47:17Z")
> [@nik](#): > > Executing dpkg -i elasticsearch-2.2.0.deb just solved my problem. > > Thanks Jason Awesome. You're welcome; best wishes. 🙂 ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 5, 2017, 11:11pm UTC](https://discuss.elastic.co/t/elasticsearch-is-not-starting-and-likely-root-cause-is-zipexception-invalid-distance-too-far-back/43408/7 "2017-07-05T23:11:32Z")