How to Solve Package Error

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Java

JDBC

JDK

netbeans

I imported the project in the netbeans with some external packages but I am not able to solve two problem in package connectionManager.java & log.java. when I Open the file ConnectionManager.java
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DBPool pool = DBPool.getPool(dbAlias);

Error:method getPool in class com.caucho.sql.DBPool cannot be applied to given types; required: no arguments found: java.lang.String
reason: actual and formal argument lists differ in length

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similarly when I open the log.java

PropertyConfigurator.resetConfiguration();

Error:cannot find symbol symbol: method resetConfiguration()

location: class org.apache.log4j.PropertyConfigurator