# Uses of Class
org.apache.sysds.api.DMLException

Packages that use DMLException
Package
Description
org.apache.sysds.hops
org.apache.sysds.lops
org.apache.sysds.parser
org.apache.sysds.runtime
org.apache.sysds.runtime.compress
org.apache.sysds.runtime.io
org.apache.sysds.runtime.io.hdf5

## Uses of DMLException in org.apache.sysds.hops

Subclasses of DMLException in org.apache.sysds.hops
Modifier and Type
Class
Description
`class`
`HopsException`
Exception occurring in the HOP level.

## Uses of DMLException in org.apache.sysds.lops

Subclasses of DMLException in org.apache.sysds.lops
Modifier and Type
Class
Description
`class`
`LopsException`

## Uses of DMLException in org.apache.sysds.parser

Subclasses of DMLException in org.apache.sysds.parser
Modifier and Type
Class
Description
`class`
`LanguageException`
Exception occurring at the Language level.
`class`
`ParseException`
This exception is thrown when parse issues are encountered.

## Uses of DMLException in org.apache.sysds.runtime

Subclasses of DMLException in org.apache.sysds.runtime
Modifier and Type
Class
Description
`class`
`DMLRuntimeException`
This exception should be thrown to flag runtime errors -- DML equivalent to java.lang.RuntimeException.
`class`
`DMLScriptException`
This exception should be thrown to flag DML Script errors, this exception is reserved for the stop instruction and script related errors that an end-user should be able to address

## Uses of DMLException in org.apache.sysds.runtime.compress

Subclasses of DMLException in org.apache.sysds.runtime.compress
Modifier and Type
Class
Description
`class`
`DMLCompressionException`

## Uses of DMLException in org.apache.sysds.runtime.io

Subclasses of DMLException in org.apache.sysds.runtime.io
Modifier and Type
Class
Description
`static final class`
`DeltaKernelUtils.UnsupportedDirectDecodeException`
Thrown when a data file's parquet layout cannot be decoded directly into the typed output columns, e.g.

## Uses of DMLException in org.apache.sysds.runtime.io.hdf5

Subclasses of DMLException in org.apache.sysds.runtime.io.hdf5
Modifier and Type
Class
Description
`class`
`H5RuntimeException`