webharvest log, GUI errors

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">

<bean id="httpParams" class="org.apache.http.params.BasicHttpParams" scope="singleton"/>

<bean id="httpParamBean" class="org.apache.http.params.HttpProtocolParamBean" depends-on="httpParams">
     <constructor-arg ref="#{httpParams}"/>
     <property name="contentCharset" value="UTF-8"/>
     <property name="userAgent" value="Mozilla/5.0 (Windows; U; Windows NT 6.1; ru; rv:1.9.2.4) Gecko/20100513 Firefox/3.6.4"/>
     <property name="useExpectContinue" value="true"/>
     <property name="version">
             <util:constant static-field="org.apache.http.HttpVersion.HTTP_1_1"/>
     </property>
</bean>

<bean id="scheme" class="org.apache.http.conn.scheme.Scheme">
    <constructor-arg value="http"/>
    <constructor-arg value="#{T(org.apache.http.conn.scheme.PlainSocketFactory).getSocketFactory()}"/>
    <constructor-arg type="int" value="80" />
</bean>

<bean id="schemeReg" class="org.apache.http.conn.scheme.SchemeRegistry" depends-on="httpParamBean"/>

<bean id="configurator" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean" depends-on="schemeReg">
    <property name="targetClass" value="schemeReg"/>
    <property name="targetMethod" value="register"/>
    <property name="arguments">
        <list>
            <value>1</value>
            <ref bean="scheme"/>
        </list>
    </property>
</bean>


<bean id="tsccManager" class="org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager" depends-on="configurator">
    <constructor-arg ref="#{httpParams}"/>
    <constructor-arg ref="#{schemeReg}"/>
</bean>

<bean id="httpClient" class="org.apache.http.impl.client.DefaultHttpClient" depends-on="tsccManager">
    <constructor-arg ref="#{tsccManager}"/>
    <constructor-arg ref="#{httpParams}"/>
</bean>

<bean id="threadManager" class="tools.proxies.ThreadManager">
    <constructor-arg ref="#{httpClient}"/>
    <constructor-arg value="5"/>
</bean>

</beans>