I using Dataloader and windows command line to auto schedule export, import data daily. I follow all step of Data Loader Guide but 
I still got an error about sent request. I pretty sure that I have used the working proxy in the browser and Dataloader manual way in conflict file.
Here is my conflict file process-conf.xml:
Thank you guy and best regard.
 

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="accountInsert"
class="com.salesforce.dataloader.process.ProcessRunner"
singleton="false">
<description>accountInsert job gets the account record from the CSV file
and inserts it into Salesforce.</description>
<property name="name" value="accountInsert"/>
<property name="configOverrideMap">
<map>
<entry key="sfdc.debugMessages" value="true"/>
<entry key="sfdc.debugMessagesFile"
value="C:\DLTest\Log\accountInsertSoapTrace.log"/>
<entry key="sfdc.endpoint" value="https://test.salesforce.com"/>
<entry key="sfdc.username" value="hiep1.le_tmc@glb.toshiba.co.jp.dev11"/>
<!--Password below has been encrypted using key file,
therefore, it will not work without the key setting:
process.encryptionKeyFile.
The password is not a valid encrypted value,
please generate the real value using the encrypt.bat utility -->
<entry key="sfdc.password" value="hiding"/>
<entry key="sfdc.proxyHost" value="proxy.toshiba.co.jp"/>
<entry key="ssfdc.proxyPort" value="8080"/> 
<entry key="sfdc.timezone" value="TimeZone.getDefault()"/>
<entry key="process.encryptionKeyFile" 
value="C:\DLTest\Command Line\Config\key.txt"/>
<entry key="sfdc.timeoutSecs" value="600"/>
<entry key="sfdc.loadBatchSize" value="200"/>
<entry key="sfdc.entity" value="Account"/>
<entry key="process.operation" value="insert"/>
<entry key="process.mappingFile"
value="C:\DLTest\Command Line\Config\accountInsertMap.sdl"/>
<entry key="dataAccess.name"
value="C:\DLTest\In\insertAccounts.csv"/>
<entry key="process.outputSuccess"
value="c:\DLTest\Log\accountInsert_success.csv"/>
<entry key="process.outputError"
value="c:\DLTest\Log\accountInsert_error.csv"/>
<entry key="dataAccess.type" value="csvRead"/>
<entry key="process.initialLastRunDate"
value="2005-12-01T00:00:00.000-0800"/>
</map>
</property>
</bean>
</beans>