Use sqlite with Java on Raspberry pi

Question

I have created small code of sqlite database in java.

Below is the code for connection with database,

Class.forName("org.sqlite.JDBC");

objConnection=DriverManager.getConnection("jdbc:sqlite:/etc/javaData/Test.db");

In this code the exception thrown in second line for getConnection(). I am trying this code on Raspberry pi. How to fix the exceptionrelated to this

Exception

SQLITE addDeviceInfo()-[SQLITE] SQL Exception occured. RetryCount:1 (MAX Retry: 2) ErrorCode: 27154 Exception Message: Error opening connection Stack Trace: java.sql.SQLException: Error opening connection
  at org.sqlite.core.CoreConnection.open(CoreConnection.java:140)
  at org.sqlite.core.CoreConnection.<init>(CoreConnection.java:66)
  at org.sqlite.jdbc3.JDBC3Connection.<init>(JDBC3Connection.java:21)
  at org.sqlite.jdbc4.JDBC4Connection.<init>(JDBC4Connection.java:23)
  at org.sqlite.SQLiteConnection.<init>(SQLiteConnection.java:45)
  at org.sqlite.JDBC.createConnection(JDBC.java:114)
  at org.sqlite.JDBC.connect(JDBC.java:88)
  at java.sql.DriverManager.getConnection(DriverManager.java:571)
  at java.sql.DriverManager.getConnection(DriverManager.java:215)
  at kmbt.DCA.SQLite.DCASQLiteUtility.getSQliteConnection(DCASQLiteUtility.java:152)
  at kmbt.DCA.SQLite.ManagedDeviceSetting.SQLite_ManagedDeviceSettingManager.addDeviceInfo(SQLite_ManagedDeviceSettingManager.java:981)
  at kmbt.DCA.DCAChildProcessMng.InitManagedDeviceInfo(DCAChildProcessMng.java:5726)
  at kmbt.DCA.DCAChildProcessMng.InitSQLite(DCAChildProcessMng.java:4387)
  at kmbt.DCA.DCAChildProcessMng.start(DCAChildProcessMng.java:365)
  at kmbt.DCA.DCAChildProcess.main(DCAChildProcess.java:23)
 Caused by: java.lang.Exception: Error loading native library: /org/sqlite/native/Linux/arm/libsqlitejdbc.so
  at org.sqlite.SQLiteJDBCLoader.loadSQLiteNativeLibrary(SQLiteJDBCLoader.java:243)  at org.sqlite.SQLiteJDBCLoader.initialize(SQLiteJDBCLoader.java:65)
  at org.sqlite.core.NativeDB.load(NativeDB.java:53)
  at org.sqlite.core.CoreConnection.open(CoreConnection.java:136)
  ... 14 more

Did you manage to solve this?

kidmose
– kidmose

2015-04-14 13:54:33 +00:00
Commented Apr 14, 2015 at 13:54 — kidmose
– kidmose, Commented Apr 14, 2015 at 13:54

Community · Accepted Answer · 2017-05-23 10:29:06Z

1

Your code seems correct and the exception thrown seems don't have nothing to do with some library's problem. The only thing that sound me a little bit strange, is that you put your database in /etc folder. First of all it is not very correct, because the /etc folder is used to store config file and not data. In addition to this, maybe there could be some kind of issue with r/w folder's permissions. Try to move your database to your home directory or to other any directory owned by your user and not from root.

Hope this will be usefull for you.

-- EDIT --

Ok, the problem is that you have downloaded the wrong library:

Error loading native library: /org/sqlite/native/Linux/arm/libsqlitejdbc.so

You have to use the ARM build of the sqlite library. Try to take a look at this: Error opening connection SQLite on Raspberry pi and this: Sqlite4java on Raspberry Pi

edited May 23, 2017 at 10:29

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answered Jan 28, 2015 at 11:35

wyr0

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13 Comments

Amol Over a year ago

Database moved to another directory, now also it shows same exception

wyr0 Over a year ago

Could you add to your question the full stack trace given?

Amol Over a year ago

This is not whole stack trace, some part skipped from this.

wyr0 Over a year ago

Ok, can you post the complete one?

Amol Over a year ago

Complete exception posted

|

kidmose · Accepted Answer · 2015-04-15 10:26:06Z

I also faced java.lang.Exception: Error loading native library: /org/sqlite/native/Linux/arm/libsqlitejdbc.so

Looking into sqlite-jdbc-3.8.6.jar I found that /org/sqlite/native/Linux/ contains no arm folder -> sqlite is not compiled for arm.

With these changes I've managed to build on the pi: https://bitbucket.org/kidmose/sqlite-jdbc/commits/cb7a7ef62c034938e8ecb737b148e5c80877c083

pi@raspberry ~/sqlite-jdbc $ export JAVA_HOME=/usr/lib/jvm/jdk-7-oracle-armhf/
pi@raspberry ~/sqlite-jdbc $ chmod 755 ./amalgamation_version.sh
pi@raspberry ~/sqlite-jdbc $ make

Replacing the old jar with the newly built one solved my problem.

All credit goes to: https://pidome.wordpress.com/2013/10/01/java-goes-hard-on-the-raspberry-pi-so-does-pidome/

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