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Full Discussion: Java compilation error
Top Forums Programming Java compilation error Post 303024061 by boncuk on Thursday 27th of September 2018 10:56:11 PM
Old 09-27-2018
Java compilation error

i am on red hat Linux .


Code:
package hiveudf;
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.io.Text;
public class lowercaseudf extends UDF {
    public Text evaluate(final Text s) {
        if (s == null) { return null;}
        return new Text(s.toString().lowerCase());
        }
        }
}


Code:
# javac -classpath /usr/hdp/2.6.5.0-292/hive2/lib/*:/usr/hdp/2.6.5.0-292/hadoop/*:/usr/hdp/2.6.5.0-292/hadoop-mapreduce/* lowercaseudf.java
lowercaseudf.java:7: error: cannot find symbol
        return new Text(s.toString().lowerCase());
                                    ^
  symbol:   method lowerCase()
  location: class String
1 error

 

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MicroMason::PassVariables(3pm)				User Contributed Perl Documentation			    MicroMason::PassVariables(3pm)

NAME
Text::MicroMason::PassVariables - Pass template data as variables SYNOPSIS
Instead of using this class directly, pass its name to be mixed in: use Text::MicroMason; my $mason = Text::MicroMason->new( -PassVariables ); Use the standard compile and execute methods to parse and evalute templates: print $mason->compile( text=>$template )->( 'name'=>'Dave' ); print $mason->execute( text=>$template, 'name'=>'Dave' ); Templates can now access their arguments as global variables: Welcome, <% $name %>! DESCRIPTION
Like Text::Template, this package passes in template arguments as package variables. For example, if you pass in an argument list of "foo => 23", it will set the variable $foo in the package your template is compiled in. This allows template code to refer to $name rather than $ARGS{name}. The strict pragma is disabled to facilitate these variable references. Caution: Please note that this approach has some drawbacks, including the risk of clobbering global variables used for other purposes. It is included primarily to allow the TextTemplate module to emulate the behavior of Text::Template, and for quick-and-dirty simple templates where succinctness is more important than robustness. Supported Attributes package Target package namespace. Defaults to Text::MicroMason::Commands. Private Methods assembler_rules() Adds Perl fragments to handle package and symbol table munging. assemble() Modifies Perl subroutine to embed the target package namespace. install_args_hash() Performs symbol table munging to transfer the contents of an arguments hash into variables in a target namespace. SEE ALSO
The interface being emulated is described in Text::Template. For an overview of this templating framework, see Text::MicroMason. This is a mixin class intended for use with Text::MicroMason::Base. For distribution, installation, support, copyright and license information, see Text::MicroMason::Docs::ReadMe. perl v5.10.1 2010-03-05 MicroMason::PassVariables(3pm)
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