Apachesolr view is always empty

I'm seeing the same issue, with the following modules:
ApacheSolr: 6.x-2.x-dev
ApacheSolr Views: 6.x-1.x-dev
Views: 6.x-3.x-dev

Here's the view export (and I have 4096 nodes in the indexed; I've cleared/re-indexed several times):

$view = new view;
$view->name = 'solr_designresources';
$view->description = 'Solr: Design Resources';
$view->tag = 'Solr';
$view->view_php = '';
$view->base_table = 'apachesolr_node';
$view->is_cacheable = FALSE;
$view->api_version = 3.0-alpha1;
$view->disabled = FALSE; /* Edit this to true to make a default view disabled initially */

/* Display: Defaults */
$handler = $view->new_display('default', 'Defaults', 'default');
$handler->display->display_options['access']['type'] = 'none';
$handler->display->display_options['cache']['type'] = 'none';
$handler->display->display_options['exposed_form']['type'] = 'basic';
$handler->display->display_options['pager']['type'] = 'full';
$handler->display->display_options['style_plugin'] = 'default';
$handler->display->display_options['row_plugin'] = 'fields';
/* Empty text: Global: Text area */
$handler->display->display_options['empty']['area']['id'] = 'area';
$handler->display->display_options['empty']['area']['table'] = 'views';
$handler->display->display_options['empty']['area']['field'] = 'area';
$handler->display->display_options['empty']['area']['label'] = '';
$handler->display->display_options['empty']['area']['empty'] = FALSE;
$handler->display->display_options['empty']['area']['content'] = 'No results';
/* Field: Apache Solr: Search Snippet */
$handler->display->display_options['fields']['snippet']['id'] = 'snippet';
$handler->display->display_options['fields']['snippet']['table'] = 'apachesolr_node';
$handler->display->display_options['fields']['snippet']['field'] = 'snippet';
$handler->display->display_options['fields']['snippet']['alter']['alter_text'] = 0;
$handler->display->display_options['fields']['snippet']['alter']['make_link'] = 0;
$handler->display->display_options['fields']['snippet']['alter']['trim'] = 0;
$handler->display->display_options['fields']['snippet']['alter']['word_boundary'] = 1;
$handler->display->display_options['fields']['snippet']['alter']['ellipsis'] = 1;
$handler->display->display_options['fields']['snippet']['alter']['strip_tags'] = 0;
$handler->display->display_options['fields']['snippet']['alter']['html'] = 0;
$handler->display->display_options['fields']['snippet']['hide_empty'] = 0;
$handler->display->display_options['fields']['snippet']['empty_zero'] = 0;
$handler->display->display_options['fields']['snippet']['num_snippets'] = '1';
$handler->display->display_options['fields']['snippet']['fragsize'] = '100';
/* Field: Apache Solr: Type */
$handler->display->display_options['fields']['type']['id'] = 'type';
$handler->display->display_options['fields']['type']['table'] = 'apachesolr_node';
$handler->display->display_options['fields']['type']['field'] = 'type';
$handler->display->display_options['fields']['type']['alter']['alter_text'] = 0;
$handler->display->display_options['fields']['type']['alter']['make_link'] = 0;
$handler->display->display_options['fields']['type']['alter']['trim'] = 0;
$handler->display->display_options['fields']['type']['alter']['word_boundary'] = 1;
$handler->display->display_options['fields']['type']['alter']['ellipsis'] = 1;
$handler->display->display_options['fields']['type']['alter']['strip_tags'] = 0;
$handler->display->display_options['fields']['type']['alter']['html'] = 0;
$handler->display->display_options['fields']['type']['hide_empty'] = 0;
$handler->display->display_options['fields']['type']['empty_zero'] = 0;
$handler->display->display_options['fields']['type']['link_to_node'] = 0;
$handler->display->display_options['fields']['type']['machine_name'] = 0;
/* Field: Apache Solr: Search Score */
$handler->display->display_options['fields']['score']['id'] = 'score';
$handler->display->display_options['fields']['score']['table'] = 'apachesolr_node';
$handler->display->display_options['fields']['score']['field'] = 'score';
$handler->display->display_options['fields']['score']['alter']['alter_text'] = 0;
$handler->display->display_options['fields']['score']['alter']['make_link'] = 0;
$handler->display->display_options['fields']['score']['alter']['trim'] = 0;
$handler->display->display_options['fields']['score']['alter']['word_boundary'] = 1;
$handler->display->display_options['fields']['score']['alter']['ellipsis'] = 1;
$handler->display->display_options['fields']['score']['alter']['strip_tags'] = 0;
$handler->display->display_options['fields']['score']['alter']['html'] = 0;
$handler->display->display_options['fields']['score']['hide_empty'] = 0;
$handler->display->display_options['fields']['score']['empty_zero'] = 0;
$handler->display->display_options['fields']['score']['set_precision'] = 0;
$handler->display->display_options['fields']['score']['precision'] = '0';
/* Field: Node: Title */
$handler->display->display_options['fields']['title']['id'] = 'title';
$handler->display->display_options['fields']['title']['table'] = 'apachesolr_node_node';
$handler->display->display_options['fields']['title']['field'] = 'title';
$handler->display->display_options['fields']['title']['alter']['alter_text'] = 0;
$handler->display->display_options['fields']['title']['alter']['make_link'] = 0;
$handler->display->display_options['fields']['title']['alter']['trim'] = 0;
$handler->display->display_options['fields']['title']['alter']['word_boundary'] = 1;
$handler->display->display_options['fields']['title']['alter']['ellipsis'] = 1;
$handler->display->display_options['fields']['title']['alter']['strip_tags'] = 0;
$handler->display->display_options['fields']['title']['alter']['html'] = 0;
$handler->display->display_options['fields']['title']['hide_empty'] = 0;
$handler->display->display_options['fields']['title']['empty_zero'] = 0;
$handler->display->display_options['fields']['title']['link_to_node'] = 0;
/* Sort criterion: Apache Solr: Search Score */
$handler->display->display_options['sorts']['score']['id'] = 'score';
$handler->display->display_options['sorts']['score']['table'] = 'apachesolr_node';
$handler->display->display_options['sorts']['score']['field'] = 'score';
$handler->display->display_options['sorts']['score']['order'] = 'DESC';
/* Filter: Apache Solr: Search */
$handler->display->display_options['filters']['text']['id'] = 'text';
$handler->display->display_options['filters']['text']['table'] = 'apachesolr_node';
$handler->display->display_options['filters']['text']['field'] = 'text';
$handler->display->display_options['filters']['text']['exposed'] = TRUE;
$handler->display->display_options['filters']['text']['expose']['operator'] = 'text_op';
$handler->display->display_options['filters']['text']['expose']['label'] = 'Apache Solr: Search';
$handler->display->display_options['filters']['text']['expose']['use_operator'] = 0;
$handler->display->display_options['filters']['text']['expose']['identifier'] = 'text';

/* Display: Page */
$handler = $view->new_display('page', 'Page', 'page_2');
$handler->display->display_options['path'] = 'test/solr';

Just to make sure it wasn't an case of other modules causing issues, I built a fresh D6 install...same (lack of) results. :(

Figured it out.

Make sure that the "schema.xml" and "solrconfig.xml" files in the "conf" directory of the site's directory in solr match those downloaded with the apachesolr module.

E.g., at /admin/settings/apachesolr/index you should see
Using schema.xml version: drupal-1.9.6 (at the time of this writing)
*not*
Using schema.xml version: drupal-0.9.2

Apropos of this bug report, apachesolr_views sets the "fq" parameter to "entity:node". This field didn't exist in the 0.9.x schema.xml files.

removing tags

FWIW, 1.9.6 is the latest schema for the apachesolr 6.x-2.x branch.

You might want to read this:
http://drupal.org/node/700358#comment-2544800

Per that comment, Apachesolr 6.x-1.x is the supported version that works with apachesolr_views. Maybe it has changed recently but I ran into a bunch of challenges with 2.x.

re #6 maintainer just confirmed latest Apache Solr Views is now only compatible with 6.x-2.x branch of Solr

#700358: Solr Views returning excluded node types when they have comments