Problem with import data from osm to postgis/postgresql

Hello,
I work in Ubuntu 12.04 with postgresql 9.1,postgis
createuser db_user
postgres=# ALTER USER db_user WITH ENCRYPTED PASSWORD ‘password’;
createdb db_osm
createlang plpgsql db_osm

next

psql -d db_osm -f postgis.sql
psql -d db_osm -f spatial_ref_sys.sql
psql db_osm -f pgsimple_schema_0.6.sql

than I try to import data from planet.osm to my db:

osmosis --read-xml file=/home/kamil/osmosis-0.40.1/planet.osm --write-apidb host=“localhost” database=“db_osm” user=“db_user” password=“password”;

This is a result:

Aug 24, 2012 12:42:37 PM org.openstreetmap.osmosis.core.Osmosis run
INFO: Osmosis Version 0.40.1
Aug 24, 2012 12:42:38 PM org.openstreetmap.osmosis.core.Osmosis run
INFO: Preparing pipeline.
Aug 24, 2012 12:42:38 PM org.openstreetmap.osmosis.core.Osmosis run
INFO: Launching pipeline execution.
Aug 24, 2012 12:42:38 PM org.openstreetmap.osmosis.core.Osmosis run
INFO: Pipeline executing, waiting for completion.
Aug 24, 2012 12:42:38 PM org.openstreetmap.osmosis.core.pipeline.common.ActiveTaskManager waitForCompletion
SEVERE: Thread for task 1-read-xml failed
org.openstreetmap.osmosis.core.OsmosisRuntimeException: Unable to create resultset.
at org.openstreetmap.osmosis.apidb.common.DatabaseContext.executeQuery(DatabaseContext.java:429)
at org.openstreetmap.osmosis.apidb.v0_6.impl.SchemaVersionValidator.validateDBVersion(SchemaVersionValidator.java:82)
at org.openstreetmap.osmosis.apidb.v0_6.impl.SchemaVersionValidator.validateVersion(SchemaVersionValidator.java:55)
at org.openstreetmap.osmosis.apidb.v0_6.ApidbWriter.initialize(ApidbWriter.java:323)
at org.openstreetmap.osmosis.apidb.v0_6.ApidbWriter.process(ApidbWriter.java:1080)
at org.openstreetmap.osmosis.xml.v0_6.impl.NodeElementProcessor.end(NodeElementProcessor.java:118)
at org.openstreetmap.osmosis.xml.v0_6.impl.OsmHandler.endElement(OsmHandler.java:107)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:195)
at org.openstreetmap.osmosis.xml.v0_6.XmlReader.run(XmlReader.java:108)
at java.lang.Thread.run(Thread.java:679)
Caused by: org.postgresql.util.PSQLException: ERROR: relation “schema_migrations” does not exist
Position: 21
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2102)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1835)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257)
at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:500)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:374)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:254)
at org.openstreetmap.osmosis.apidb.common.DatabaseContext.executeQuery(DatabaseContext.java:424)
… 19 more
Aug 24, 2012 12:42:38 PM org.openstreetmap.osmosis.core.Osmosis main
SEVERE: Execution aborted.
org.openstreetmap.osmosis.core.OsmosisRuntimeException: One or more tasks failed.
at org.openstreetmap.osmosis.core.pipeline.common.Pipeline.waitForCompletion(Pipeline.java:146)
at org.openstreetmap.osmosis.core.Osmosis.run(Osmosis.java:92)
at org.openstreetmap.osmosis.core.Osmosis.main(Osmosis.java:37)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
at org.codehaus.classworlds.Launcher.main(Launcher.java:47)

What I do wrong? Thanks for any help