java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - javax.xml.transform.TransformerException
    - - net.sf.saxon.trans.XPathException

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

CopyNamespaceSensitiveException, Error.UserDefinedXPathException, NoDynamicContextException, NoOpenStartTagException, QuitParsingException, SchemaException, TerminationException, ValidationException, XPathException.Circularity, XPathException.StackOverflow
```
public class XPathException
extends javax.xml.transform.TransformerException
```
XPathException is used to indicate an error (static or dynamic) in an XPath expression, or in a query or stylesheet.

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`XPathException.Circularity`	Subclass of XPathException used to report circularities
`static class`	`XPathException.StackOverflow`	Subclass of XPathException used to report stack overflow

Constructor Summary

Constructors
Constructor	Description
`XPathException(java.lang.String message)`	Create an XPathException with an error message
`XPathException(java.lang.String message, java.lang.String errorCode)`	Create an XPathException that supplies an error message and an error code
`XPathException(java.lang.String message, java.lang.String errorCode, XPathContext context)`	Create an XPathException that supplies an error message and an error code and provides the dynamic context
`XPathException(java.lang.String message, java.lang.String errorCode, Location loc)`	Create an XPathException that supplies an error message and supplies location information
`XPathException(java.lang.String message, java.lang.Throwable err)`	Create an XPathException that supplies an error message and wraps an underlying exception
`XPathException(java.lang.String message, Location loc, java.lang.Throwable err)`	Create an XPathException that supplies an error message and wraps an underlying exception and supplies location information
`XPathException(java.lang.Throwable err)`	Create an XPathException that wraps another exception

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static XPathException`	`fromXmlProcessingError(XmlProcessingError error)`
`java.lang.String`	`getErrorCodeLocalPart()`	Get the local part of the name of the error code
`java.lang.String`	`getErrorCodeNamespace()`	Get the namespace URI part of the name of the error code
`StructuredQName`	`getErrorCodeQName()`	Get the error code as a QName
`Sequence`	`getErrorObject()`	Get the error object associated with this error.
`Expression`	`getFailingExpression()`
`java.lang.String`	`getHostLanguage()`	Get the host language code
`Location`	`getLocator()`	Method getLocator retrieves an instance of a SourceLocator object that specifies where an error occured.
`XPathContext`	`getXPathContext()`	Get the dynamic context at the time the exception occurred
`boolean`	`hasBeenReported()`	Ask whether this error is marked to indicate that it has already been reported to the error listener, and should not be reported again
`boolean`	`isGlobalError()`	Ask whether this exception originated while evaluating a global variable reference, and is therefore to be reported regardless of the try/catch context surrounding the variable reference
`boolean`	`isReportableStatically()`	Tests whether this is a dynamic error that may be reported statically if it is detected statically
`boolean`	`isStaticError()`	Ask whether this exception represents a static error
`boolean`	`isSyntaxError()`	Ask whether this exception represents a syntax error
`boolean`	`isTypeError()`	Ask whether this exception represents a type error
`static XPathException`	`makeXPathException(java.lang.Exception err)`	Create an XPathException from an exception of another kind.
`void`	`maybeSetContext(XPathContext context)`	Set the context of a message, only if it is not already set
`void`	`maybeSetErrorCode(java.lang.String code)`	Set the error code, provided it has not already been set.
`void`	`maybeSetFailingExpression(Expression failingExpression)`
`void`	`maybeSetLocation(Location here)`	Set the location of a message, only if it is not already set
`void`	`setErrorCode(java.lang.String code)`	Set the error code.
`void`	`setErrorCodeQName(StructuredQName code)`	Set the error code.
`void`	`setErrorObject(Sequence value)`	Set the error object associated with this error.
`void`	`setFailingExpression(Expression failingExpression)`
`void`	`setHasBeenReported(boolean reported)`	Mark this error to indicate that it has already been reported to the error listener, and should not be reported again
`void`	`setHostLanguage(java.lang.String language)`	Set the host language code
`void`	`setHostLanguage(HostLanguage language)`	Set the host language code
`void`	`setIsGlobalError(boolean is)`	Mark this exception to indicate that it originated while evaluating a global variable reference, and is therefore to be reported regardless of the try/catch context surrounding the variable reference
`void`	`setIsStaticError(boolean is)`	Mark this exception to indicate that it represents (or does not represent) a static error
`void`	`setIsSyntaxError(boolean is)`	Mark this exception to indicate that it represents (or does not represent) a syntax error
`void`	`setIsTypeError(boolean is)`	Mark this exception to indicate that it represents (or does not represent) a type error
`void`	`setLocation(Location loc)`
`void`	`setXPathContext(XPathContext context)`	Set dynamic context information in the exception object

Methods inherited from class javax.xml.transform.TransformerException
getCause, getException, getLocationAsString, getMessageAndLocation, initCause, printStackTrace, printStackTrace, printStackTrace, setLocator

Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, setStackTrace, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - XPathException
```
public XPathException(java.lang.String message)
```
    Create an XPathException with an error message
    
    Parameters:
    
    message - the message explaining what is wrong. This should not include location information.
  - XPathException
```
public XPathException(java.lang.Throwable err)
```
    Create an XPathException that wraps another exception
    
    Parameters:
    
    err - the wrapped error or exception
  - XPathException
```
public XPathException(java.lang.String message,
                      java.lang.Throwable err)
```
    Create an XPathException that supplies an error message and wraps an underlying exception
    
    Parameters:
    
    message - the error message (which should generally explain what Saxon was doing when the underlying exception occurred)
    
    err - the underlying exception (the cause of this exception)
  - XPathException
```
public XPathException(java.lang.String message,
                      java.lang.String errorCode,
                      Location loc)
```
    Create an XPathException that supplies an error message and supplies location information
    
    Parameters:
    
    message - the error message
    
    loc - indicates where in the user-written query or stylesheet (or sometimes in a source document) the error occurred
  - XPathException
```
public XPathException(java.lang.String message,
                      Location loc,
                      java.lang.Throwable err)
```
    Create an XPathException that supplies an error message and wraps an underlying exception and supplies location information
    
    Parameters:
    
    message - the error message (which should generally explain what Saxon was doing when the underlying exception occurred)
    
    loc - indicates where in the user-written query or stylesheet (or sometimes in a source document) the error occurred
    
    err - the underlying exception (the cause of this exception)
  - XPathException
```
public XPathException(java.lang.String message,
                      java.lang.String errorCode)
```
    Create an XPathException that supplies an error message and an error code
    
    Parameters:
    
    message - the error message
    
    errorCode - the error code - an eight-character code, which is taken to be in the standard system error code namespace
  - XPathException
```
public XPathException(java.lang.String message,
                      java.lang.String errorCode,
                      XPathContext context)
```
    Create an XPathException that supplies an error message and an error code and provides the dynamic context
    
    Parameters:
    
    message - the error message
    
    errorCode - the error code - an eight-character code, which is taken to be in the standard system error code namespace
    
    context - the dynamic evaluation context
- Method Detail
  - makeXPathException
```
public static XPathException makeXPathException(java.lang.Exception err)
```
    Create an XPathException from an exception of another kind. If the supplied Exception is an XPathException; if its cause is an XPathException, that XPathException is returned unchanged; otherwise the supplied Exception is wrapped.
    
    Parameters:
    
    err - the supplied Exception
    
    Returns:
    
    an XPathException obtained from the supplied TransformerException
  - fromXmlProcessingError
```
public static XPathException fromXmlProcessingError(XmlProcessingError error)
```
  - setXPathContext
```
public void setXPathContext(XPathContext context)
```
    Set dynamic context information in the exception object
    
    Parameters:
    
    context - the dynamic context at the time the exception occurred
  - setLocation
```
public void setLocation(Location loc)
```
  - getFailingExpression
```
public Expression getFailingExpression()
```
  - setFailingExpression
```
public void setFailingExpression(Expression failingExpression)
```
  - maybeSetFailingExpression
```
public void maybeSetFailingExpression(Expression failingExpression)
```
  - getLocator
```
public Location getLocator()
```
    Method getLocator retrieves an instance of a SourceLocator object that specifies where an error occured.
    
    Overrides:
    
    getLocator in class javax.xml.transform.TransformerException
    
    Returns:
    
    A SourceLocator object, or null if none was specified.
  - getXPathContext
```
public XPathContext getXPathContext()
```
    Get the dynamic context at the time the exception occurred
    
    Returns:
    
    the dynamic context if known; otherwise null
  - setIsStaticError
```
public void setIsStaticError(boolean is)
```
    Mark this exception to indicate that it represents (or does not represent) a static error
    
    Parameters:
    
    is - true if this exception is a static error
  - isStaticError
```
public boolean isStaticError()
```
    Ask whether this exception represents a static error
    
    Returns:
    
    true if this exception is a static error
  - setIsSyntaxError
```
public void setIsSyntaxError(boolean is)
```
    Mark this exception to indicate that it represents (or does not represent) a syntax error
    
    Parameters:
    
    is - true if this exception is a syntax error
  - isSyntaxError
```
public boolean isSyntaxError()
```
    Ask whether this exception represents a syntax error
    
    Returns:
    
    true if this exception is a syntax error
  - setIsTypeError
```
public void setIsTypeError(boolean is)
```
    Mark this exception to indicate that it represents (or does not represent) a type error
    
    Parameters:
    
    is - true if this exception is a type error
  - isTypeError
```
public boolean isTypeError()
```
    Ask whether this exception represents a type error
    
    Returns:
    
    true if this exception is a type error
  - setIsGlobalError
```
public void setIsGlobalError(boolean is)
```
    Mark this exception to indicate that it originated while evaluating a global variable reference, and is therefore to be reported regardless of the try/catch context surrounding the variable reference
    
    Parameters:
    
    is - true if this exception is a global variable error
  - isGlobalError
```
public boolean isGlobalError()
```
    Ask whether this exception originated while evaluating a global variable reference, and is therefore to be reported regardless of the try/catch context surrounding the variable reference
    
    Returns:
    
    true if this exception is a global variable error
  - setHostLanguage
```
public void setHostLanguage(java.lang.String language)
```
    Set the host language code
    
    Parameters:
    
    language - a value such as "XPath", "XQuery", "XSLT Pattern"
  - setHostLanguage
```
public void setHostLanguage(HostLanguage language)
```
    Set the host language code
    
    Parameters:
    
    language - a value such as "XPath", "XQuery", "XSLT Pattern"
  - getHostLanguage
```
public java.lang.String getHostLanguage()
```
    Get the host language code
    
    Returns:
    
    a value such as "XPath", "XQuery", "XSLT Pattern", or null
  - setErrorCode
```
public void setErrorCode(java.lang.String code)
```
    Set the error code. The error code is a QName; this method sets the local part of the name, setting the namespace of the error code to the standard system namespace NamespaceConstant.ERR
    
    Parameters:
    
    code - The local part of the name of the error code
  - maybeSetErrorCode
```
public void maybeSetErrorCode(java.lang.String code)
```
    Set the error code, provided it has not already been set. The error code is a QName; this method sets the local part of the name, setting the namespace of the error code to the standard system namespace NamespaceConstant.ERR
    
    Parameters:
    
    code - The local part of the name of the error code
  - setErrorCodeQName
```
public void setErrorCodeQName(StructuredQName code)
```
    Set the error code. The error code is a QName; this method sets both parts of the name.
    
    Parameters:
    
    code - The error code as a QName
  - getErrorCodeQName
```
public StructuredQName getErrorCodeQName()
```
    Get the error code as a QName
    
    Returns:
    
    the error code as a QName
  - getErrorCodeLocalPart
```
public java.lang.String getErrorCodeLocalPart()
```
    Get the local part of the name of the error code
    
    Returns:
    
    the local part of the name of the error code
  - getErrorCodeNamespace
```
public java.lang.String getErrorCodeNamespace()
```
    Get the namespace URI part of the name of the error code
    
    Returns:
    
    the namespace URI part of the name of the error code
  - setErrorObject
```
public void setErrorObject(Sequence value)
```
    Set the error object associated with this error. This is used by the standard XPath fn:error() function
    
    Parameters:
    
    value - the error object, as supplied to the fn:error() function
  - getErrorObject
```
public Sequence getErrorObject()
```
    Get the error object associated with this error. This is used by the standard XPath fn:error() function
    
    Returns:
    
    the error object, as supplied to the fn:error() function
  - setHasBeenReported
```
public void setHasBeenReported(boolean reported)
```
    Mark this error to indicate that it has already been reported to the error listener, and should not be reported again
    
    Parameters:
    
    reported - true if the error has been reported to the error listener
  - hasBeenReported
```
public boolean hasBeenReported()
```
    Ask whether this error is marked to indicate that it has already been reported to the error listener, and should not be reported again
    
    Returns:
    
    true if this error has already been reported
  - maybeSetLocation
```
public void maybeSetLocation(Location here)
```
    Set the location of a message, only if it is not already set
    
    Parameters:
    
    here - the current location (or null)
  - maybeSetContext
```
public void maybeSetContext(XPathContext context)
```
    Set the context of a message, only if it is not already set
    
    Parameters:
    
    context - the current XPath context (or null)
  - isReportableStatically
```
public boolean isReportableStatically()
```
    Tests whether this is a dynamic error that may be reported statically if it is detected statically
    
    Returns:
    
    true if the error can be reported statically

Class XPathException

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class javax.xml.transform.TransformerException

Methods inherited from class java.lang.Throwable

Methods inherited from class java.lang.Object

Constructor Detail

XPathException

XPathException

XPathException

XPathException

XPathException

XPathException

XPathException

Method Detail

makeXPathException

fromXmlProcessingError

setXPathContext

setLocation

getFailingExpression

setFailingExpression

maybeSetFailingExpression

getLocator

getXPathContext

setIsStaticError

isStaticError

setIsSyntaxError

isSyntaxError

setIsTypeError

isTypeError

setIsGlobalError

isGlobalError

setHostLanguage

setHostLanguage

getHostLanguage

setErrorCode

maybeSetErrorCode

setErrorCodeQName

getErrorCodeQName

getErrorCodeLocalPart

getErrorCodeNamespace

setErrorObject

getErrorObject

setHasBeenReported

hasBeenReported

maybeSetLocation

maybeSetContext

isReportableStatically